trigger off英 [ˈtrɪɡə(r) ɒf]美 [ˈtrɪɡər ɔːf]引起; 发动; 促使英英释义verbput in motion or move to acttrigger a reactionactuate the circuitsSynonym:tripactuatetriggeractivateset offspark offsparktouch off双语例句