pile up
US /paɪl ʌp/
UK /paɪl ʌp/

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.