cover-up
US /ˈkʌv.ər.ʌp/
UK /ˈkʌv.ər.ʌp/

1.
掩盖, 遮掩
an attempt to prevent the public from discovering information about a serious crime or mistake
:
•
The government was accused of a massive cover-up.
政府被指控进行大规模掩盖。
•
There were rumors of a police cover-up regarding the incident.
有传言称警方对该事件进行了掩盖。