To be at one's wits' end, having exhausted all strategies and finding no way out; to be completely at a loss.
面对突如其来的市场变化，这家公司感到计穷途拙，急需寻求新的发展方向。
Faced with sudden market changes, the company felt at its wits' end and urgently needed to seek new directions for development.
Era:
Ancient
Frequency:
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