observe
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B1 verb /əbˈzɜːrv/

observe

beobachten
Meaning
to watch carefully; to notice or perceive something
Example
Scientists observe the behavior of animals in the wild.
Wissenschaftler beobachten das Verhalten von Tieren in der Wildnis.
B1 adjective /ˌoʊld ˈfæʃənd/

old-fashioned

altmodisch
Meaning
not modern; belonging to an earlier time
Example
He still wears an old-fashioned hat.
Er trägt immer noch einen altmodischen Hut.
B1 adjective /əˈfɪʃəl/

official

offiziell
Meaning
relating to or connected with an authority or public office
Example
He is the official spokesperson for the company.
Er ist der offizielle Sprecher des Unternehmens.
B1 adjective /əˈbiː.di.ənt/

Obedient

gehorsam
Meaning
willing to comply with orders or instructions; submissive
Example
The obedient student always follows the teacher's instructions.
Der gehorsame Schüler folgt immer den Anweisungen des Lehrers.
B1 noun /ˌɒp.əˈtjuː.nə.ti/

opportunity

Gelegenheit
Meaning
A favorable chance or set of circumstances that makes it possible to do something.
Example
She seized the opportunity to study abroad.
Sie ergriff die Gelegenheit, im Ausland zu studieren.
B1 verb /oʊ/

owe

schulden
Meaning
to be under obligation to pay or repay; to be indebted
Example
I owe my success to my parents' support.
Ich schulde meinen Erfolg der Unterstützung meiner Eltern.
B1 adjective /əˈrɪdʒ.ɪ.nəl/

Original

original; primär; authentisch
Meaning
first; fundamental; primary; authentic
Example
This is the original document, not a copy.
Dies ist das Originaldokument, keine Kopie.
B1 verb /əˈkɜːr/

occur

auftreten
Meaning
to happen or take place; to be found or present
Example
The accident occurred at the intersection during rush hour.
Der Unfall trat an der Kreuzung während der Stoßzeit auf.
B1 adverb /əˈkeɪʒənəli/

Occasionally

gelegentlich; von Zeit zu Zeit;
Meaning
sometimes; from time to time; not regularly
Example
I occasionally visit my grandmother on weekends.
Ich besuche meine Großmutter gelegentlich am Wochenende.
B1 adverb /ˈʌðərwaɪz/

Otherwise

anders; sonst
Meaning
in a different way; if not; or else; apart from that
Example
Study hard, otherwise you will fail the exam.
Lerne hart, sonst fällst du durch die Prüfung.
B1 adjective /ˈaʊtər/

outer

äußeren
Meaning
situated on or toward the outside; external
Example
The outer layer of the jacket is waterproof.
Die äußere Schicht der Jacke ist wasserdicht.
B1 adjective /ˈɔːɡənaɪzd/

organized

organisiert
Meaning
Arranged in a systematic way, especially on a large scale.
Example
An organized approach to work increases productivity and reduces stress.
Ein gut organisierter Ansatz bei der Arbeit erhöht die Produktivität und reduziert Stress.
B1 adverb /əˈrɪdʒɪnəli/

originally

ursprünglich
Meaning
in the beginning, at first
Example
Originally, she wanted to be a doctor.
Ursprünglich wollte sie Ärztin werden.
B1 noun /ˌɑk.jəˈpeɪ.ʃən/

Occupation

Beruf; Beschäftigung; Übernahme
Meaning
a job or profession; the action of taking control of a place
Example
Teaching is her chosen occupation.
Lehren ist ihr gewählter Beruf.
B1 noun /ˌɒpəˈreɪʃən/

operation

operation
Meaning
an act or process of functioning or operating
Example
The hospital performed a successful operation.
Das Krankenhaus führte eine erfolgreiche Operation durch.
B1 adjective /ˌoʊvərˈweɪt/

overweight

Übergewicht
Meaning
heavier than is considered healthy or normal
Example
The doctor advised him to lose weight as he was overweight.
Der Arzt riet ihm, Gewicht zu verlieren, da er übergewichtig war.
B1 noun /ˈɒbstəkəlz/

obstacles

Hindernisse
Meaning
Things that block one's way or prevent or hinder progress.
Example
Obstacles in life can often lead to valuable lessons.
Hindernisse im Leben führen oft zu wertvollen Lektionen.
B1 noun /aʊl/

Owl

Eule
Meaning
a nocturnal bird of prey with large eyes and a hooked beak
Example
The owl hooted softly in the darkness of the forest.
Die Eule rief leise in der Dunkelheit des Waldes.
B1 noun /əˈkeɪ.ʒən/

Occasion

Gelegenheit; besonderer Anlass
Meaning
a particular time or instance of an event; a special celebration
Example
Their wedding was a joyous occasion.
Ihre Hochzeit war eine freudige Gelegenheit.
B1 adjective /əˈkeɪ.ʒən.əl/

Occasional

gelegentlich
Meaning
occurring infrequently or irregularly; happening from time to time
Example
She enjoys occasional walks in the park.
Sie genießt gelegentliche Spaziergänge im Park.
B1 noun əbˈdʒek.tɪv

objective

ziel
Meaning
A thing aimed at or sought; a goal.
Example
The main objective is to test sustainability.
Das Hauptziel ist es, die Nachhaltigkeit zu testen.
B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃənz

organizations

Organisationen
Meaning
Organized groups of people with a particular purpose
Example
Organizations play a key role in policymaking.
Organisationen spielen eine Schlüsselrolle bei der Politikgestaltung.
B1 verb /ˈɔːrɡənaɪz/

organize

organisieren
Meaning
to arrange systematically; to plan and coordinate
Example
She organized a surprise party for her friend.
Sie organisierte eine Überraschungsparty für ihre Freundin.
B1 verb /ˈɒpəreɪtɪŋ/

operating

operierend
Meaning
to control or manage the functioning of something
Example
The company has been operating in this market for five years.
Das Unternehmen arbeitet seit fünf Jahren in diesem Markt.
B1 verb /ˈɒpəreɪt/

operate

bedienen
Meaning
to function; to control or manage; to perform surgery
Example
The surgeon will operate on the patient tomorrow.
Der Chirurg wird den Patienten morgen operieren.
B1 noun /ˈɔːfɪsər/

officer

Beamter
Meaning
a person in a position of authority, especially in law enforcement
Example
The officer gave him a ticket for speeding.
Der Beamte gab ihm ein Ticket wegen zu schnellen Fahrens.
B1 noun ˈɒk.sɪ.dʒən

oxygen

Sauerstoff. Ein farb- und geruchloses Gas, das für das Leben unerlässlich ist.
Meaning
A colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
Example
Oxygen is vital for life.
Sauerstoff ist für das Leben wichtig.
B1 adjective, adverb /ˈoʊvərɔːl/

overall

insgesamt
Meaning
in general or as a whole
Example
Overall, the project has been successful.
Insgesamt war das Projekt erfolgreich.
B1 noun /əˈpɪn.jən/

Opinion

meinung
Meaning
a view or judgment formed about something; a belief or assessment based on grounds short of proof
Example
In my opinion, this is the best solution.
Meiner Meinung nach ist dies die beste Lösung.
B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃən

organization

Organisation
Meaning
An organized group of people with a particular purpose, such as a business or government department.
Example
The organization was officially inaugurated in 2024.
Die Organisation wurde 2024 offiziell eingeweiht.
B1 noun /ˈɑp.ʃən/

Option

Option
Meaning
a thing that is or may be chosen; an alternative course of action
Example
You have the option to work from home or office.
Du hast die Option, von zu Hause oder im Büro zu arbeiten.
B1 noun /ˈɔr.ə.ʒɪn/

Origin

ursprung
Meaning
the point or place where something begins, arises, or is derived; the source
Example
Scientists are studying the origin of the universe.
Wissenschaftler untersuchen den Ursprung des Universums.
B1 noun /ˈɑb.stə.kəl/

Obstacle

Hindernis
Meaning
something that blocks or makes progress difficult; a barrier
Example
Bad weather was the main obstacle to our journey.
Schlechtes Wetter war das größte Hindernis für unsere Reise.
B1 verb অকার্স

occurs

tritt auf
Meaning
Happens or takes place, especially as a result of something.
Example
Snowfall occurs in regions with freezing temperatures.
Schneefall tritt in Regionen mit Temperaturen unter dem Gefrierpunkt auf.
B1 noun ˌɒpəˈtjuːnɪtiz

opportunities

Gelegenheiten
Meaning
A set of circumstances that makes it possible to do something; chances for advancement or success.
Example
Opportunities for jobs decreased.
Die Gelegenheiten für Jobs nahmen ab.
B1 noun /ˈɑː.lɪv/

Olive

Olive
Meaning
a small oval fruit with a hard pit, typically green or black, used for eating or making oil
Example
Olive oil is considered one of the healthiest cooking oils available.
Olivenöl gilt als eines der gesündesten Kochöle, die verfügbar sind.
B1 adjective /ˌoʊvərˈsiːz/

overseas

ins Ausland
Meaning
in or to a foreign country across the sea
Example
He went overseas for higher education.
Er ging ins Ausland für höhere Bildung.