bottle [sth] up, bottle up [sth]vtr phrasal sepphrasal verb, transitive, separable: Verb with adverb(s) or preposition(s), having special meaning, divisible--for example, "call off" [=cancel], "call the game off," "call off the game."
informal, figurative (repress: feelings, energy)
抑制，压制，克制
压抑 yā yì
It is not emotionally or physically healthy to bottle up one's emotions.