go to pieces

US /ɡoʊ tə ˈpiːsɪz/
UK /ɡoʊ tə ˈpiːsɪz/
"go to pieces" picture
1.

desmoronarse, venirse abajo

to become so upset or nervous that you cannot function normally

:
After the accident, she completely went to pieces.
Después del accidente, ella se desmoronó por completo.
He tends to go to pieces under pressure.
Él tiende a desmoronarse bajo presión.