不要紧

不要紧	bù yào jǐn	unimportant / not serious / it doesn't matter / never mind / it looks all right, but
不	bù	no; not so / (bound form) not; un-
不要	bù yào	don't!; must not
要	yāo	(bound form) to demand; to coerce
要	yào	to want; to need; to ask for / will; shall; about to / need to; should / if (same as 要是) / (bound form) important
要紧	yào jǐn	important / urgent
紧	jǐn	tight / strict / close at hand / near / urgent / tense / hard up / short of money / to tighten