[bù yào jǐn]
(不成问题) unimportant; not serious
Just a slight cold, nothing serious.
有点伤风,不要紧。
It doesn't matter how far it is; we can go by bike.
路远也不要紧, 我们可以骑车去。
You may think it's all right for you to shout, but you've woken everybody up.
你这一嚷不要紧, 把大家都吵醒了。