マトハズレ
Meanings
Noun
1. 要点から外れていること。
Pitch accent
トハ
ズレ
Composed of
① 攻撃や打撃を加えるべき対象。標的。
miss; failure; blank (e.g. lottery ticket)
Examples (2 in total)
That's completely beside the point.
Your guess is entirely off the mark.