bottle up
US /ˈbɑː.t̬əl ʌp/
UK /ˈbɑː.t̬əl ʌp/

1.
reprimir, guardar para si
to keep a strong emotion inside you and not express it
:
•
It's not healthy to bottle up your feelings.
Não é saudável reprimir seus sentimentos.
•
He tends to bottle up his anger until it explodes.
Ele tende a reprimir sua raiva até que ela exploda.