gloss over

verb2

1. •
   To treat something with less care than it in some ways deserves; to ignore, or at least to discount or dismiss for the current purposes.

   • This book only glosses over quantum mechanics; it doesn't go into detail.
2. •
   To cover up a mistake or a crime; to hush up or whitewash.

   • They glossed over the problem, hoping that the customers wouldn't notice.