If you slip up , you make a small or unimportant mistake.
There were occasions when we slipped up...
PHRASAL VERB : V P
see also slip-up
If you slip up , you make a small or unimportant mistake.
There were occasions when we slipped up...
PHRASAL VERB : V P
see also slip-up
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006