pile up

US /paɪl ʌp/
UK /paɪl ʌp/
"pile up" picture
1.

acumular, empilhar

to accumulate or increase in quantity, especially to an unmanageable degree

:
The dirty dishes started to pile up in the sink.
Os pratos sujos começaram a se acumular na pia.
Work tends to pile up when you're on vacation.
O trabalho tende a se acumular quando você está de férias.
2.

colidir, engavetar

to crash or collide, especially involving several vehicles

:
Several cars piled up on the icy road.
Vários carros se amontoaram na estrada gelada.
The accident caused traffic to pile up for miles.
O acidente fez o trânsito se acumular por quilômetros.