| 词汇 | set off |
| 释义 | set off [phrasal verb] 1 : to begin traveling in a particular direction出发；启程 We set off for home.我们动身回家。 They set off in a different direction.他们向一个不同的方向进发。 In the first chapter, the hero sets off on a long voyage across the ocean.第一章里，主人公开始了漫长的横穿大洋之旅。 2 set off (something) also set (something) off : to cause (something) to start or happen（使某事）开始，发生 set off an explosion引发爆炸 Her comments set off [=touched off] a chain of events that led to two people losing their jobs.她的评论引发了一系列事件，使两个人失去了工作。 The incident set off a debate about how public land should be used.这起事件引发了一场有关如何使用公共土地的争论。 3 set off (something) or set (something) off a : to cause (something) to begin making noise使发声 The thick smoke set off the school's fire alarms.浓烟触发了学校的消防警铃。 Your watch will probably set the metal detectors off.你的手表有可能会触发这个金属探测器。 b : to cause (fireworks, a bomb, etc.) to explode使（烟花、炸弹等）爆炸 They were accused of setting off the bomb that destroyed the building.他们被指控引爆炸弹炸毁了那座建筑物。 It was set off by remote control.这是通过遥控引爆的。 c : to make (something) easy to see or notice显出；突出 The blue in your sweater sets off [=accents] your eyes.你蓝色的毛衣衬得眼睛很漂亮。 Bright yellow police tape set off the area where the crime occurred.醒目的黄色警戒线标明了犯罪现场。 a quote set off by quotation marks用引号标明的引言 4 set (someone) off : to cause (someone) to suddenly start yelling, crying, laughing, etc.使突然开始叫喊（哭泣或发笑等） I wonder what set her off.我不知道她为何突然变成这样。 set |
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