skeleton in the closet

US /ˈskel.ɪ.tən ɪn ðə ˈklɑː.zɪt/
UK /ˈskel.ɪ.tən ɪn ðə ˈklɑː.zɪt/
"skeleton in the closet" picture
1.

esqueleto no armário, segredo embaraçoso

a shameful or embarrassing secret from the past that someone wants to keep hidden

:
Every family has a skeleton in the closet.
Toda família tem um esqueleto no armário.
His past arrest was a skeleton in the closet he hoped no one would discover.
Sua prisão passada era um esqueleto no armário que ele esperava que ninguém descobrisse.