A2 noun /ˈɒbdʒɪkt/

object

物体

Meaning

a thing that can be seen and touched

Example

The table is an object in the room.

テーブルは部屋の中の物体です。

A2 preposition /ˈɒntu/

onto

上に

Meaning

moving to a position on the surface of something

Example

She jumped onto the table to get the book.

彼女は本を取るためにテーブルの上に飛び乗った。

A2 adjective /ˈɒb.vi.əs/

Obvious

明白な; 簡単に理解できる

Meaning

easily perceived or understood; clear and apparent to the mind

Example

It was obvious that she was upset about something.

それは彼女が何かについて不満を抱えていることが明らかでした。

A2 noun /əˈlɪmpɪks/

olympics

オリンピック競技大会

Meaning

an international sports competition held every four years with athletes from many countries

Example

The Olympics bring athletes from all over the world together.

オリンピックは世界中のアスリートを一堂に集めます。

A2 noun /ˈʌn.jən/

Onion

玉ねぎ

Meaning

a round vegetable with a strong taste and smell, made up of many layers

Example

I need to chop some onions for the curry recipe.

カレーのレシピのためにいくつか玉ねぎを切る必要があります。

A2 noun /ˈoʊpənɪŋ/

opening

開店

Meaning

an act or instance of beginning something

Example

The opening of the new store was a huge success.

新しい店のオープニングは大成功でした。

A2 adjective /əˈlɪmpɪk/

olympic

オリンピック

Meaning

related to the Olympic Games, a major international sporting event

Example

She trained hard to compete in the Olympic Games.

彼女はオリンピックに出場するために一生懸命トレーニングをしました。

A2 noun /ɔɪl/

Oil

油

Meaning

a viscous liquid derived from petroleum or plants, used for cooking or fuel

Example

Heat the oil in a pan before adding the vegetables.

野菜を加える前にフライパンで油を温めます。

A2 adjective /ˈaʊtdɔːr/

outdoor

アウトドア

Meaning

situated, existing, or done outside a building

Example

We planned an outdoor picnic for the weekend.

週末のためにアウトドアピクニックを計画しました。

A2 noun /ˈɒm.lət/

Omelet

オムレツ

Meaning

a dish made from beaten eggs cooked in a frying pan and often folded around a filling

Example

She made a cheese omelet for breakfast.

彼女は朝食にチーズオムレツを作った。

A2 noun əˈlɪm.pɪk ɡeɪmz

Olympic Games

オリンピック競技大会

Meaning

The world's largest international sports competition held every four years, bringing together athletes from different countries to compete in various sports.

Example

The Olympic Games bring together the world's top athletes.

オリンピック競技大会は世界のトップアスリートを集めます。

A2 verb /oʊˈbeɪ/

obey

従う

Meaning

to follow orders or instructions; to comply with rules

Example

Children should obey their parents and teachers.

子供たちは親と先生に従うべきです。

A2 noun /ˈoʊ.nər/

Owner

所有者

Meaning

a person who owns something; someone who has legal possession of property

Example

The owner of the restaurant greeted us warmly.

レストランの所有者は私たちを温かく迎え入れてくれました。

A2 adverb; noun /ˌaʊtˈdɔːrz/

outdoors

屋外で

Meaning

outside a building; the natural environment outside

Example

We spent the whole afternoon outdoors enjoying the fresh air.

私たちは午後ずっと屋外で新鮮な空気を楽しみました。

A2 verb /ˈɔːfər/

offer

申し出る

Meaning

to present something for acceptance or rejection; to propose

Example

She offered to help with the project.

彼女はプロジェクトを手伝うと申し出た。

A2 adjective /ɒd/

Odd

奇妙な; 異常な; 正常または予想されるものとは異なる

Meaning

strange; unusual; different from what is normal or expected

Example

That's an odd way to solve the problem.

それは問題を解決する奇妙な方法です。

A2 noun /ˈʌv.ən/

Oven

オーブン

Meaning

an enclosed compartment used for heating, baking, or drying food

Example

She baked cookies in the oven for thirty minutes.

彼女はオーブンで三十分間クッキーを焼きました。

A2 pronoun /aʊərˈsɛlvz/

ourselves

私たち自身

Meaning

used by the speaker to refer to themselves and one or more others as the object of the verb

Example

We should help ourselves before helping others.

私たちは他の人を助ける前に、自分たち自身を助けるべきです。

A2 noun /ˈɔr.dər/

Order

命令; 順序

Meaning

a command or instruction; the arrangement of things following a particular sequence

Example

The teacher gave an order to sit down quietly.

教師は静かに座るよう命じました。

A2 noun /ˈɒpərə/

opera

オペラ

Meaning

a dramatic performance in which the actors sing most of their lines

Example

We watched a beautiful opera at the theater last night.

昨晩、劇場で美しいオペラを観ました。

A2 adjective/adverb /ˈɒnˌlaɪn/

online

オンライン

Meaning

connected to or available through the internet

Example

I prefer shopping online rather than going to stores.

私はお店に行くよりもオンラインで買い物をする方が好きです。

A2 noun /ˈoʊ.ʃən/

ocean

海洋

Meaning

A very large expanse of sea, especially the main areas of sea between continents.

Example

The ocean covers more than 70% of the Earth's surface.

海洋は地球の表面の70％以上を覆っています。

A2 adjective /ˈɑp.ə.zɪt/

Opposite

反対の; 完全に異なる; 向かい合っている; 逆の;

Meaning

Contrary; completely different; facing each other; reverse;

Example

They have opposite views on politics but remain good friends.

彼らは政治に関して対立した見解を持っていますが、良い友達のままです。

A2 modal verb /ɔːt/

ought

べき

Meaning

Used to indicate duty, correctness, or moral obligation.

Example

You ought to respect your elders.

あなたは年長者を尊敬すべきです。

A2 noun /ˈɒf.ɪs/

office

オフィス

Meaning

a room or building where people work, usually at desks

Example

She left the office early to attend a family event.

彼女は家族のイベントに出席するために早くオフィスを出ました。

A2 adjective /ˈɔː.dɪ.nər.i/

Ordinary

普通の; 一般的な; 特別ではない

Meaning

normal; usual; not special

Example

It was just an ordinary day at the office.

それはオフィスでのただの普通の日でした。

A2 adverb /ˈɒbviəsli/

obviously

明らかに

Meaning

in a way that is easily perceived or understood; clearly

Example

Obviously, he didn’t read the instructions.

もちろん、彼は指示を読まなかった。