Definition
To lose an opportunity or a person by failing to take proper action or make sufficient effort.
错失（机会或人）
He almost let this once-in-a-lifetime opportunity slip through his fingers.
他差点让这个千载难逢的机会从指缝中溜走。
She knew that the job could slip through her fingers if she didn't pursue it actively.
她知道如果她不积极争取，这份工作可能会从她手中溜走。
The deal nearly slipped through their fingers, but they managed to close it in the end.
这笔交易差点从他们手中溜走，但他们最终还是成功完成了。