The idiom "whistle in the dark" has its origin in the idea of using sound to dispel fear or create a sense of comfort in the darkness. The phrase metaphorically refers to an act of feigning bravery or confidence in a situation that is uncertain, dangerous, or unsettling. Just as someone might whistle to alleviate their fear when walking alone in the dark, "whistle in the dark" implies putting on a brave front or attempting to maintain optimism in the face of uncertainty or adversity.

“ whistle in the dark”的英语定义和含义

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