adverb · it does not matter; used to reassure someone

不要紧，这点小事我能处理。

adverb · not significant or dangerous; unimportant

他的伤势不要紧，休息几天就会好。

adverb · appearing to be alright, but leading to an unexpected or negative consequence

他这一走不要紧，却让大家等了三个小时。

adverb · an idiomatic expression meaning it is not serious, it does not matter, or it is not urgent

你放心，这点小事不要紧。