fall through
US
UK fall through vi phrasal: informal, figurative (be unsuccessful, come to nothing) (非正式用语)
SC 失败，落空，成为泡影 shī bài，luò kōng，chéng wéi pào yǐng
I thought that the deal would be very profitable for my business, but it fell through at the last minute.
我本以为那笔交易会让我的生意大赚一笔，不过到头来还是成为泡影。
fall through the cracks, slip through the cracks v expr: figurative (be overlooked or missed)
SC 未加注意，疏忽，粗心大意 shū hū，cū xīn dà yì
TC 疏忽
TC 疏忽