hold in
US /hoʊld ɪn/
UK /hoʊld ɪn/

1.
conter, reprimir
to restrain or control oneself, especially one's emotions or reactions
:
•
She tried to hold in her laughter during the serious meeting.
Ela tentou conter o riso durante a reunião séria.
•
He couldn't hold in his anger any longer.
Ele não conseguia mais conter sua raiva.
2.
conter, reter
to keep something inside or prevent it from escaping
:
•
The dam was built to hold in the floodwaters.
A barragem foi construída para conter as águas da enchente.
•
This container is designed to hold in liquids without leaking.
Este recipiente é projetado para conter líquidos sem vazar.