Correct
风马牛不相及
/ fēng mǎ niú bù xiāng jí /
Strokes
Definition
to be completely unrelated to one another (idiom)/irrelevant
Example
Definition
have nothing to do with one another; be entirely unrelated; be completely irrelevant (to)
have nothing to do with one another; be entirely unrelated; be completely irrelevant (to)