闯入：突然进入一个房间并打断（某人或某事）。
spring suddenly
同义词： burst upon
... burst b\:st n. 破裂,阵,爆发; v. 爆裂,突发 burst in on 突然出现(或到来) burst into 匆匆进入 突然爆发 ...
突然出现（或到来）
He burst in on the meeting.
他闯进来打断了会议。
He burst in on our conversation.
他打断了我们的谈话。
They burst in on me while I was working.
我在工作时他们突然打断了我。
If you put the electrode in just the right place, then when the electrode gets turned on, it stimulates the pleasure center in the rat's brain and it gets a little burst of pleasure, a pretty intense burst of pleasure.
只要把电极放对地方，然后启动电极，刺激老鼠大脑的快乐中枢,老鼠感受到一股快感，一股很强烈的快感。
死亡课程节选 : 耶鲁公开课
But changes in these areas, as needed as they may be, would still be overwhelmed by the burst in spending on Social Security and Medicare as the Baby Boom generation retires and lifespans increase.
And the door was firmly closed on Turkey in stoppage time when Ronaldo burst clear on the left, his pass finding Joao Moutinho who set up Meireles to score.
Veteran Fijian Vijay Singh produced a superb birdie burst on his back nine to join Woods in the clubhouse on seven under, while defending champion Justin Rose of England opened with a 67.