inject

注射する

針を使って薬などの物質を人の体内に入れる。

やさしい英語で： To put medicine or another substance into someone’s body using a needle.

• She needs to inject insulin every day.
• The nurse injected him with a painkiller.
• Where should I inject this medicine?

使い方： inject something into someone/something (The nurse injected the medicine into his arm.); inject someone with something (The doctor injected her with a painkiller.)

よく使う表現： inject insulin, inject someone, inject a drug

投入する、注ぎ込む

活動や状況を支えるために、お金や力などを加える。

やさしい英語で： To add money, energy, or something else to help an activity or situation.

• We need to inject more money into the project.
• Her arrival injected new energy into the team.
• The government plans to inject funds into public transport.

使い方： inject something into something (Investors injected fresh money into the business.)

類義語： add, put in

よく使う表現： inject money, inject fresh capital, inject new energy

注入する

液体や気体を圧力をかけて空間や通路の中に送り込む。

やさしい英語で： To force a liquid or gas into a space or passage.

• The pump injects water into the pipe.
• Fuel is injected into the engine under pressure.
• They injected foam into the gap in the wall.

使い方： inject something into something (The machine injects gas into the sealed chamber.)

類義語： pump, force

よく使う表現： inject fuel, inject gas, inject water

持ち込む、吹き込む

ある状況に、新しい感情や考え、要素を突然加える。

やさしい英語で： To suddenly bring a new feeling, idea, or element into a situation.

• His joke injected humour into the tense meeting.
• The sudden news injected fear into the crowd.
• Her question injected a new issue into the debate.

使い方： inject something into something (The warning injected urgency into the discussion.)

類義語： introduce, bring in

よく使う表現： inject some humour, inject sudden urgency, inject fresh tension