跌落; 减少; 变坏; 变瘦

ph.

1. Enrollment has fallen off this year.
今年入学人数减少了。

verb

1. diminish in size or intensity

Synonym: fall away

2. fall heavily or suddenly
decline markedly

e.g. The real estate market fell off

Synonym: slumpsink

3. come off

e.g. This button had fallen off