without a hitch

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