slip up

1. (idiomatic)To err, falter; to make a mistake, especially a seemingly small error.

   I hope I don't slip up during my presentation.

   Somebody slipped up and forgot to put your name on the guest list.

   make an error

2. To lose ones footing; to slip.

1. I knew Tom would slip up.

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2. Anybody could slip up like that.

   ruКто угодно мог допустить ошибку, подобную этой. — odexed

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3. We would've won if it wasn't for that slip-up.

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4. Hopefully they slip up.

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5. I slipped up badly, didn't I?

   ruЯ, кажется, здорово промахнулся? — sharptoothed

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irregular

• slip upспіткнутися, спотикатисяTo err, falter; to make a mistake, especially a seemingly small error.
• slip offзняти, зніматиTo leave a place, or a meeting, without being noticed
• slip inвставити, вставлятиTo include (e.g. a certain word or phrase) into a sentence discreetly.
• slip awayпройти, проходитиTo leave without being noticed.
• slip byпройти, проходитиTo pass without being noticed or intercepted.
• slip outTo leave quietly and unnoticed.
• slip downTo be easily imbibed; to be easy to drink.
• slip backTo return to a previous habit