The demonstration had to be cancelled because of a technical hitch.示威游行由于技术性障碍只得取消。There was a slight technical hitch which delayed the plane's take-off.一个小小的技术故障耽误了飞机的起飞。There's been a slight technical hitch, so we'll have to postpone the video until later.发生了一个技术性的小故障，因此我们得延迟播出这段录像。