to  cover  one's tracks
cover
kʌvə
kavē
<i>one's</i>
wʌnz
vanz
tracks
træks
trāks

“ cover one's tracks”的英语定义和含义

to cover one's tracks
01

to conceal or destroy evidence of one's activities or whereabouts to avoid detection or punishment 

习语
非正式
例子
Roberts covered his tracks by throwing the knife in the river. 
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