B1 noun əbˈdʒek.tɪv

objective

目標

Meaning

A thing aimed at or sought; a goal.

Example

The main objective is to test sustainability.

メインオブジェクティブは持続可能性をテストすることです。

B1 noun /ˈɑb.stə.kəl/

Obstacle

障害物

Meaning

something that blocks or makes progress difficult; a barrier

Example

Bad weather was the main obstacle to our journey.

悪天候が私たちの旅行の最大の障害物でした。

B1 adjective, adverb /ˈoʊvərɔːl/

overall

全体的に

Meaning

in general or as a whole

Example

Overall, the project has been successful.

全体的に、プロジェクトは成功しました。

B1 noun /ˌɑk.jəˈpeɪ.ʃən/

Occupation

職業; 仕事; 占領

Meaning

a job or profession; the action of taking control of a place

Example

Teaching is her chosen occupation.

教えることは彼女の選んだ職業です。

B1 adjective /əˈrɪdʒ.ɪ.nəl/

Original

元の; 基本的な; 本物の

Meaning

first; fundamental; primary; authentic

Example

This is the original document, not a copy.

これはオリジナルの文書で、コピーではありません。

B1 noun /ˈɑː.lɪv/

Olive

オリーブ

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.

オリーブオイルは、最も健康的な料理用オイルの一つと見なされています。

B1 verb /əbˈzɜːrv/

observe

観察する

Meaning

to watch carefully; to notice or perceive something

Example

Scientists observe the behavior of animals in the wild.

科学者たちは野生動物の行動を観察します。

B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃənz

organizations

組織

Meaning

Organized groups of people with a particular purpose

Example

Organizations play a key role in policymaking.

組織は政策形成において重要な役割を果たします。

B1 adjective /əˈkeɪ.ʒən.əl/

Occasional

偶然の

Meaning

occurring infrequently or irregularly; happening from time to time

Example

She enjoys occasional walks in the park.

彼女は公園で偶然の散歩を楽しんでいます。

B1 verb /ˈɒpəreɪt/

operate

操作する

Meaning

to function; to control or manage; to perform surgery

Example

The surgeon will operate on the patient tomorrow.

外科医は明日患者を手術します。

B1 noun /ˈɑp.ʃən/

Option

オプション

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.

自宅またはオフィスから仕事をするオプションがあります。

B1 noun /ˈɔr.ə.ʒɪn/

Origin

起源

Meaning

the point or place where something begins, arises, or is derived; the source

Example

Scientists are studying the origin of the universe.

科学者たちは宇宙の起源を研究しています。

B1 adjective /ˌoʊvərˈweɪt/

overweight

過体重

Meaning

heavier than is considered healthy or normal

Example

The doctor advised him to lose weight as he was overweight.

医者は体重を減らすようにアドバイスしました、なぜなら彼は過体重だったからです。

B1 verb /əˈkɜːr/

occur

発生する

Meaning

to happen or take place; to be found or present

Example

The accident occurred at the intersection during rush hour.

事故はラッシュアワーの交差点で発生しました。

B1 verb অকার্স

occurs

起こる

Meaning

Happens or takes place, especially as a result of something.

Example

Snowfall occurs in regions with freezing temperatures.

雪は氷点下の温度を持つ地域で起こります。

B1 noun /aʊl/

Owl

フクロウ

Meaning

a nocturnal bird of prey with large eyes and a hooked beak

Example

The owl hooted softly in the darkness of the forest.

フクロウは森の暗闇で静かに鳴いた。

B1 verb /ˈɔːrɡənaɪz/

organize

整理する

Meaning

to arrange systematically; to plan and coordinate

Example

She organized a surprise party for her friend.

彼女は友達のためにサプライズパーティーを企画した。

B1 verb /oʊ/

owe

借りがある

Meaning

to be under obligation to pay or repay; to be indebted

Example

I owe my success to my parents' support.

私は両親の支援のおかげで成功しました。

B1 verb /ˈɒpəreɪtɪŋ/

operating

運営する

Meaning

to control or manage the functioning of something

Example

The company has been operating in this market for five years.

その会社はこの市場で5年間運営されています。

B1 adjective /ˌoʊld ˈfæʃənd/

old-fashioned

昔風の

Meaning

not modern; belonging to an earlier time

Example

He still wears an old-fashioned hat.

彼は今でも昔風の帽子をかぶっています。

B1 noun ˈɒk.sɪ.dʒən

oxygen

酸素。無色無臭の気体で、生命に不可欠な成分です。

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.

酸素は生命にとって不可欠です。

B1 adjective /ˈaʊtər/

outer

外部

Meaning

situated on or toward the outside; external

Example

The outer layer of the jacket is waterproof.

ジャケットの外側の層は防水です。

B1 adverb /ˈʌðərwaɪz/

Otherwise

さもないと; 他の方法で

Meaning

in a different way; if not; or else; apart from that

Example

Study hard, otherwise you will fail the exam.

一生懸命勉強しなさい、さもないと試験に落ちます。

B1 noun /əˈkeɪ.ʒən/

Occasion

機会; 特別な出来事

Meaning

a particular time or instance of an event; a special celebration

Example

Their wedding was a joyous occasion.

彼らの結婚式は喜ばしい機会でした。

B1 adjective /ˈɔːɡənaɪzd/

organized

組織的な

Meaning

Arranged in a systematic way, especially on a large scale.

Example

An organized approach to work increases productivity and reduces stress.

仕事に対する組織的なアプローチは、生産性を高め、ストレスを減らします。

B1 adverb /əˈkeɪʒənəli/

Occasionally

時々; たまに;

Meaning

sometimes; from time to time; not regularly

Example

I occasionally visit my grandmother on weekends.

私は時々週末に祖母を訪ねます。

B1 adjective /ˌoʊvərˈsiːz/

overseas

海外

Meaning

in or to a foreign country across the sea

Example

He went overseas for higher education.

彼は高等教育のために海外に行った。

B1 adjective /əˈfɪʃəl/

official

公式

Meaning

relating to or connected with an authority or public office

Example

He is the official spokesperson for the company.

彼は会社の公式なスポークスマンです。

B1 noun /ˈɒbstəkəlz/

obstacles

障害物

Meaning

Things that block one's way or prevent or hinder progress.

Example

Obstacles in life can often lead to valuable lessons.

人生の障害物はしばしば貴重な教訓に繋がる。

B1 noun /ˈɔːfɪsər/

officer

警官

Meaning

a person in a position of authority, especially in law enforcement

Example

The officer gave him a ticket for speeding.

警官はスピード違反で彼にチケットを渡した。

B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃən

organization

組織

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.

その組織は2024年に公式に開設されました。

B1 adverb /əˈrɪdʒɪnəli/

originally

元々

Meaning

in the beginning, at first

Example

Originally, she wanted to be a doctor.

元々、彼女は医者になりたかった。

B1 noun /ˌɒp.əˈtjuː.nə.ti/

opportunity

チャンス

Meaning

A favorable chance or set of circumstances that makes it possible to do something.

Example

She seized the opportunity to study abroad.

彼女は海外で勉強するチャンスをつかんだ。

B1 noun /ˌɒpəˈreɪʃən/

operation

手術

Meaning

an act or process of functioning or operating

Example

The hospital performed a successful operation.

病院は成功した手術を行いました。

B1 adjective /əˈbiː.di.ənt/

Obedient

従順な

Meaning

willing to comply with orders or instructions; submissive

Example

The obedient student always follows the teacher's instructions.

従順な生徒はいつも先生の指示に従う。

B1 noun ˌɒpəˈtjuːnɪtiz

opportunities

チャンス

Meaning

A set of circumstances that makes it possible to do something; chances for advancement or success.

Example

Opportunities for jobs decreased.

仕事のチャンスが減少しました。

B1 noun /əˈpɪn.jən/

Opinion

意見

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.

私の意見では、これは最良の解決策です。