bury your head in the sand
US /ˈber.i jʊr hed ɪn ðə sænd/
UK /ˈber.i jʊr hed ɪn ðə sænd/
1.
to ignore an unpleasant reality or refuse to confront a problem
:
•
You can't just bury your head in the sand and hope the problem goes away.
•
It's time to face the facts instead of burying your head in the sand.