all talk and no action

all talk and no action (uncountable)

1. Speaking, promising, or boasting much, but doing little.
   • 20 January 2017, Donald Trump, Inauguration Speech

     We will no longer accept politicians who are all talk and no action - constantly complaining but never doing anything about it.

• all bark and no bite
• all talk and no cider
• all talk, no show
• all booster, no payload
• all crown, no filling
• all foam, no beer
• all hammer, no nail
• all hat and no cattle
• all icing, no cake
• all lime and salt, no tequila
• all mouth and no trousers
• all mouth and trousers
• all shot, no powder
• all sizzle and no steak
• all talk
• all wax and no wick