口ばかり

くちばかり· also くちばっかり

all talk (and no action)

Also written 口ばっかり

Meanings

Noun
all talk (and no action)

Example sentences

口くちばっかり！

You're all talk and no action!
口くちばかりで仕事しごとをしないのでは何なんにもならない。

Talk will not avail without work.
あんな調子ちょうしのいいこと言いっておいて、ホント口ぐちばっかりなんだから！

I like the sound of what he says, but it IS just talk, you know.
あいつは口くちばかりで、誠意せいいがないね。巧言令色少こうげんれいしょくすくなし仁じんとはよくいったもんだ。

They say fine words are no virtue if they're insincere and that's him in a nutshell. He's all talk but doesn't mean a word of it.