cover your tracks
US /ˈkʌvər jʊər træks/
UK /ˈkʌvər jʊər træks/
1.
掩盖踪迹, 销毁证据
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.
偷了文件后，他试图通过删除所有电子邮件来掩盖自己的踪迹。
•
The politician was careful to cover his tracks regarding the scandal.
这位政客小心翼翼地掩盖与丑闻相关的踪迹。