up
to not allow other people to see that you are unhappy, angry, etc., especially when this happens over a long period of time :
Try not to bottle up your emotions.
up
to not allow other people to see that you are unhappy, angry, etc., especially when this happens over a long period of time :
Try not to bottle up your emotions.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005