to be at one's wit's end; to have exhausted one's literary talent or vocabulary; to be at a loss for words due to lack of ability or knowledge
在激烈的辩论中，他很快就才尽词穷，无法反驳对方的观点。
During the heated debate, he quickly found himself at his wit's end, unable to refute the opponent's arguments.
Era:
Early Modern
Frequency:
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