口くちが立たつ

expression, godan verb (-tsu)

eloquent; have a way with words

Describes someone who speaks well, is articulate, or can talk smoothly. Often used positively, but can imply glibness depending on context.

See also: 弁が立つ (べんがたつ)

• 彼かれは口くちが立たつから、交こう渉しょう役やくに向むいている。

  He is eloquent, so he is suited for the role of negotiator.

• 口くちが立たつ人ひとほど、時ときには黙だまることも大たい切せつだ。

  The more eloquent a person is, the more important it is to sometimes stay silent.