cover your tracks
US /ˈkʌvər jʊər træks/
UK /ˈkʌvər jʊər træks/
1.
掩蓋蹤跡, 銷毀證據
to hide or conceal evidence of one's actions, especially wrongdoing
:
•
After stealing the documents, he tried to cover his tracks by deleting all emails.
偷了文件後，他試圖通過刪除所有電子郵件來掩蓋自己的蹤跡。
•
The politician was careful to cover his tracks regarding the scandal.
這位政客小心翼翼地掩蓋與醜聞相關的蹤跡。