He is all talk and no action.

他是个光说不练的人。

youdao

I hate all talk and no action.

我讨厌光有一大堆空话而无实际行动。

youdao

You're all talk and no action.

你只会说不会做。

youdao

All talk and no action is useless.

光说不练是没用的。

youdao

All talk and no action is useless.

光说不练是没用的。

youdao