她太紧张了,演讲时开始含糊不清地说话。

She was so nervous that she started mumbling during her speech.

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She was so nervous that she started mumbling during her speech.

mumbling 是动词 mumble 的现在分词形式。mumble 的意思是"含糊不清地说话",通常指因为紧张、害羞或思考而小声且不清晰地说话。

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