1. 粉饰；掩盖；掩饰
If you gloss over a problem, a mistake, or an embarrassing moment, you try and make it seem unimportant by ignoring it or by dealing with it very quickly.
1. cover up a misdemeanor, fault, or error
e.g. Let's not whitewash the crimes of Stalin
She tried to gloss over her mistakes
Synonym: whitewashsleek overhush up
2. treat hurriedly or avoid dealing with properly