Phrases Describing Emotions and Feelings

I'm at my wit's end.

B2

Meaning

I'm extremely frustrated and at a loss for what to do.

Example sentences

John: 'This computer keeps crashing.'

Alice: 'Oh dear! I'm at my wit's end when my computer acts up like that.'

John: 'I know how frustrating it is to be at your wit's end.'

Alice: 'I can't solve this problem.'