rear its (ugly) head

US /rɪər ɪts (ˈʌɡli) hɛd/
UK /rɪər ɪts (ˈʌɡli) hɛd/
"rear its (ugly) head" picture
1.

reaparecer, dar as caras

if an unpleasant situation or problem rears its head, it appears or occurs, especially after being hidden or dormant for a period

:
The old rivalry between the two teams began to rear its ugly head again.
A antiga rivalidade entre as duas equipes começou a reaparecer.
Whenever we discuss money, his true colors rear their ugly head.
Sempre que discutimos dinheiro, suas verdadeiras cores aparecem.