1. fall in
I'm afraid the roof will fall in an earthquake hits the area
The Boy Scouts were told to fall in behind the leader.
The teacher asked the kids to fall in.
The stunning fall in oil prices has been one of the most important global macroeconomic developments of the past 2 years
英語 "という言葉zapadać się"(fall in)集合で発生します。
Moja pierwsza lekcjaPHRASAL VERBS SZTBack to Schoolphrasal verbsvocabluary unit 102. cave in
collapse = cave in. The entrance to a cave.
The cow stepping on the corrugated roof caused the ceiling to cave in.
I will not cave in, even if they threaten me.
英語 "という言葉zapadać się"(cave in)集合で発生します。
Vocabulary 36Reasonable Faith #2