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

1.
memendam, menyimpan
to keep a strong emotion inside you and not express it
:
•
It's not healthy to bottle up your feelings.
Tidak sehat untuk memendam perasaanmu.
•
He tends to bottle up his anger until it explodes.
Dia cenderung memendam amarahnya sampai meledak.