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

1.
顺利地, 毫无阻碍地
without any problems or difficulties
:
•
The event went off without a hitch.
活动进行得非常顺利。
•
The surgery was completed without a hitch.
手术进行得非常顺利。
顺利地, 毫无阻碍地
without any problems or difficulties