To be at a loss as to what to do; to be utterly bewildered or perplexed, often due to strong emotion.
面对突如其来的变故，她一时间莫知所为，愣在了原地
Faced with the sudden turn of events, she was momentarily at a loss, frozen to the spot.
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To be at a loss as to what to do; to be utterly bewildered or perplexed, often due to strong emotion.