without a hitch
US /wɪðˈaʊt ə hɪtʃ/
UK /wɪðˈaʊt ə hɪtʃ/

1.
順利地, 毫無阻礙地
without any problems or difficulties
:
•
The event went off without a hitch.
活動進行得非常順利。
•
The surgery was completed without a hitch.
手術進行得非常順利。
順利地, 毫無阻礙地
without any problems or difficulties