突然: sudden; abrupt; unexpected; ...突然起步: lunge stride突然起动: sudden start突然起火: burst into flame突然起来: break into sth; burn out; burnt out; burst into sth突然起跳: rip-jump半夜突然起火: a fire broke out during the midnight突然起来;突然出现: poup突然起来,大声喊叫: burst out射入: influx突然起跳而能全开启的动作: full-opening pop action起脚尖: calf raise射入边: terminal edge射入口: entrance wound of bullet; entry portal射入线: einfallstrahlung incident radiation突然: sudden; abrupt; unexpected; suddenly; abruptly; unexpectedly 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勾起脚尖: cock the foot起脚石法: method of potentials; stepping stone method起脚石状态: stepping-stone state站起来,踮起脚: stand on one's feet踮起脚来: on the tips of one's toes踮起脚走: tiptoed哄然起笑: go off into laughter哗然起哄: rising up in an uproar (of protest)偶然起伏: random fluctuation