out of one's wits
1．mad发疯
He is out of his wits．他疯了。
His provocative remark nearly drove me out of my wits．他的挑衅性的话简直把我气疯了。
2．greatly upset不知所措
He was frightened out of his wits．他被吓得不知如何是好。
The enemy，scared out of their wits，were routed，and all of us laughed for joy．敌人吓得惊慌失措，溃不成军，而我们却高兴得放声大笑。