SNEAK UP ON


Meaning of SNEAK UP ON in English

1.

If someone sneaks up on you, they try and approach you without being seen or heard, perhaps to surprise you or do you harm.

I managed to sneak up on him when you knocked on the door.

= creep up

PHRASAL VERB : V P P n

2.

If something sneaks up on you, it happens or occurs when you are not expecting it.

Sometimes our expectations sneak up on us unawares.

PHRASAL VERB : V P P n

Collins COBUILD Advanced Learner's English Dictionary.      Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне.