Grammar fix

let slip

reveal accidentally

To accidentally reveal private information or a secret.

phrasal verb
How oftenCommon
LevelB2
Used inSpeech & writing

Hear it in context

Notice where the phrase sounds natural.

Jon let slip that the company was planning to move offices.

My friend once let slip that my family had bought me a bicycle, so the surprise was ruined before my birthday.

Fix the pattern

One small grammar move makes it sound right.

Not: She let slip about the surprise.

Say: She let slip that there was a surprise.

Use 'let slip that...' or 'let the secret slip', not 'let slip about'.

  • Pattern
  • let slip + noun | let slip that-clause

Don't confuse it

Other ways to say it

Tell a secret, often by accident

How accident-specificEither intentionAccidental
give awayReveal a secret, deliberately or accidentally.let onReveal that you know something; often used in negatives.
let slipYou're here · Accidentally reveal something you meant to keep private.

Try it in Daily Speak