hold in
US /hoʊld ɪn/
UK /hoʊld ɪn/

1.
contener, reprimir
to restrain or control oneself, especially one's emotions or reactions
:
•
She tried to hold in her laughter during the serious meeting.
Ella trató de contener su risa durante la reunión seria.
•
He couldn't hold in his anger any longer.
No pudo contener su ira por más tiempo.
2.
contener, retener
to keep something inside or prevent it from escaping
:
•
The dam was built to hold in the floodwaters.
La presa fue construida para contener las aguas de la inundación.
•
This container is designed to hold in liquids without leaking.
Este recipiente está diseñado para contener líquidos sin fugas.