The idiom "cover one's tracks" originated from the practice of hiding or obscuring one's footprints or traces to avoid detection or being followed. It metaphorically refers to taking actions to conceal evidence or any signs that may lead to one's identity, actions, or intentions. The phrase is primarily used to emphasize the act of removing or erasing any incriminating or revealing marks or clues to maintain secrecy or evade responsibility.

“ cover one's tracks”的英语定义和含义

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