Vocabulary
歯車がかみ合う
はぐるまがかみあう
to mesh (of gears); to be in sync (of people, organizations, etc.)
expression
verb
Example sentences
最後（さいご）まで議論（ぎろん）の歯車（はぐるま）が噛み合（かみあ）わなかった。
We were arguing on different planes to the last.