whitewash

v. /ˈwaɪt.wɑːʃ/ C2

掩盖；粉饰

To hide mistakes or bad actions to protect someone's reputation.

仙境例句

The cook tried to whitewash her mistake, saying the pepper in the tarts was meant to be there.

厨娘想掩盖自己的过失，说馅饼里的胡椒本来就该放。