她试图掩盖她的错误。

She tried to ___cover ___up her mistakes.

他试图掩盖它，以免观众知道他犯了错误。

He tried to ___cover it ___up so the audience would not know he had made a mistake.

政府被指控试图掩盖腐败丑闻。

The government was accused of trying to ___cover ___up the corruption scandal.