at your wits' end

成語所屬單字wit

at your wits' end — 慣用語

1. So worried or annoyed by a problem that you no longer know what to do.

1.慣用語
釋義

不知所措；黔驢技窮

So worried or annoyed by a problem that you no longer know what to do.

例句

The toddler would not stop crying, and Dewi was at her wits' end by midnight.

After three days with no internet connection, the whole office was at its wits' end.