有ゆう言げん不ふ実じっ行こう

expression

all talk, no action

A four-character idiom contrasting with 有言実行 (walking the talk). Used to criticize someone who makes promises or declarations but fails to follow through.

See also: 有言実行 (ゆうげんじっこう)

• 彼かれは有ゆう言げん不ふ実じっ行こうで、いつも計けい画かく倒だおれに終おわる。

  He's all talk and no action; his plans always fall through.

• 有ゆう言げん不ふ実じっ行こうでは信しん頼らいを失うしなうだけだ。

  If you're all talk and no action, you'll just lose people's trust.