no sooner said than done

Idioms  

1. Accomplished immediately, as in He said we should leave and, no sooner said than done. This expression employs no sooner ... than in the sense of “at once,” a usage dating from the mid-1500s.

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Example Sentences

As for no sooner said than done, it’s a promise that’s seldom kept. errand of mercy.

From "Woe Is I" by Patricia T. O'Conner

It was agreed, and no sooner said than done.

From The Brighton Boys with the Submarine Fleet by Driscoll, James R. [pseud.]

All this was no sooner said than done.

From The Strange Adventures of Captain Dangerous, Vol. 3 Who was a sailor, a soldier, a merchant, a spy, a slave among the moors... by Sala, George Augustus

Yes, sir—took it right up; no sooner said than done with her.

From Ma Pettengill by Wilson, Harry Leon

Phr. to hear is to obey; as you please, if you please; your wish is my command; as you wish; no sooner said than done.

From Roget's Thesaurus of English Words and Phrases by Roget, Peter Mark