He dared not speak 他不敢讲
I dared not speak English aloud in public because of my poor pronunciation and intonation. I could not get high marks and grammar was not right at all.
我不敢在公开场合说英语，因为我的语音、语调很糟糕，英语成绩很差，语法一塌糊涂。
We dared not speak aloud because even a whisper sounded like a shout.
我们不敢大声说话，因为即使是轻声细语，听起来也像是喊叫一样。
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