fall through

动词 fall through:

1. fail utterly; collapse
   同义词：fall flat, founder, flop

1. The children venture out on the thin ice and fall through.
   孩子们冒险踏上薄冰，结果掉了进去。
2. Owing to lack of funds, the scheme fell through.
   由于缺少资金，这项计划失败了。
3. The plan fell through.
   计划落空了。