[ tūrán ] sudden; abrupt; unexpected; suddenly; abruptly; unexpectedly 短语和例子 突然失败 come a cropper; 突然离开话题 go [fly] off at a tangent; go off on a tangent; 突然停止 suddenly stop; 这消息实在太突然了。 this news is really much too sudden; 下午天突然下雨了。 in the afternoon it rained suddenly. 如果他今晚突然出现, 我并不感到惊讶。 i shouldn't be surprised if he cropped up this evening.; 突然爆发 flare; flare-up; 突然冲击 jab; 突然事件 emergency; 突然停机 drop-dead halt; 突然停止 check; balking; 突然停住 crash stop; 突然袭击 surprise attack; 突然性 emergentness; 突然转弯 pitchout