Something that is trouble-free does not cause any problems or difficulties.
The carnival got off to a virtually trouble-free start with the police reporting only one arrest.
ADJ
Something that is trouble-free does not cause any problems or difficulties.
The carnival got off to a virtually trouble-free start with the police reporting only one arrest.
ADJ
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006