cave in

崩れ落ちる、陥没する

重さを支えきれず、内側や下へ崩れる。

やさしい英語で： To fall inward or downward because something cannot support its weight.

• The roof caved in.
• Part of the tunnel caved in after heavy rain.
• Could this ceiling cave in if we remove that beam?

使い方： cave in under something (The roof caved in under the weight of the snow.)

類義語： collapse, fall in

よく使う表現： cave in suddenly, cave in under pressure

折れる

拒むのをやめ、相手の望むことをするのに同意する。

やさしい英語で： To stop refusing and agree to do what someone wants.

• I finally caved in.
• Her parents caved in and bought her a bike.
• Will the company cave in to their demands?

使い方： cave in to someone/something (The council caved in to pressure from residents.)

類義語： give in, yield, relent

反対語： resist

よく使う表現： cave in to pressure, cave in eventually

陥没させる

物をたたいたり押したりして、表面を内側へ壊したりへこませたりする。

やさしい英語で： To hit or press something so that its surface breaks or bends inward.

• The blow caved in the door.
• A heavy rock caved in the metal lid.
• Could that branch cave in the roof?

使い方： cave in something (A falling branch caved in the roof.)

類義語： crush

よく使う表現： cave in something, cave in a roof