to be scared out of one's wits; to be in a state of extreme fear or shock, losing consciousness or control of one's faculties, often associated with a near-death experience or intense fright.
那突如其来的巨响让他吓得魄散魂飘，好半天才缓过神来。
The sudden loud noise scared him out of his wits, and it took him a long while to recover his composure.
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