fall through the cracks
US /fɔl θru ðə kræks/
UK /fɔl θru ðə kræks/

1.
被遺漏, 被忽略
to be overlooked or missed, especially in a system or process
:
•
We need to make sure no student falls through the cracks in this new program.
我們必須確保沒有學生在這個新專案中被遺漏。
•
Important details often fall through the cracks when communication is poor.
當溝通不暢時,重要細節常常被忽略。