可不是

可不是	kě bu shì	that's just the way it is / exactly!
可	kě	(prefix) can; may; able to; -able / to approve; to permit / to suit / (particle used for emphasis) certainly; very / but; however
可	kè	used in 可汗
可不	kě bu	see 可不是
不	bù	no; not so / (bound form) not; un-
不是	bù shì	no / is not / not
不是	bù shi	fault; blame
是	shì	to be (followed by substantives only) / correct; right; true / (respectful acknowledgement of a command) very well / (adverb for emphatic assertion)
是	shì	variant of 是