| 短语 | be whistling in the dark |
| 释义 | be whistling in the dark informalto be trying to show that you are brave when you are afraid, or that you know about something when you do not故作镇定，虚张声势; 不懂乱说:•Does he know what he's talking about or is he just whistling in the dark?他是知道自己在说什么，还是不懂只是在吹牛皮？ |
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