come apart

US /kʌm əˈpɑːrt/
UK /kʌm əˈpɑːrt/
"come apart" picture
1.

to break into pieces

:
The old book started to come apart at the seams.
The cheap toy quickly came apart after a few uses.
2.

to become very upset or distressed

:
She started to come apart when she heard the bad news.
His composure began to come apart under the intense questioning.