口くちが合あう

expression, godan verb (-u)

have similar tastes in food; have compatible palates

Used when people enjoy the same kinds of food or have matching preferences for flavors and dishes.

• 彼かれとは口くちが合あうから、一いっ緒しょに食しょく事じに行いくと楽たのしい。

  He and I have similar tastes in food, so it's fun to go out to eat together.

expression, godan verb (-u)

be in sync (lip movements with vocals)

Describes lip movements matching spoken or sung audio, such as in dubbing or lip-syncing.

• この吹ふき替かえは口くちが合あっていない。

  The dubbing is out of sync with the lip movements.

expression, godan verb (-u)

understand each other; be in agreement

Archaic use for mutual understanding or agreement; rarely used in modern Japanese.

• 昔むかしの文もん書じょでは「口くちが合あう」が意い見けんの一いっ致ちを表あらわすことがある。

  In old documents, '口が合う' can indicate agreement of opinions.