1.to start laughing or crying and be unable to stop
2.to suddenly become unable to behave or think in a sensible way
3.to suddenly become very angry
1.His reason was that the school a back door and the badge was so small he might easily lose it so it was better to have a few to spare.
他的理由是学校还有个侧门，也得张一面旗，而徽章这东西太小巧，恐怕偶尔遗失了，不如多备几个在那里。
2.You might end up losing little or nothing, but if you're really putting everything into it then you have to be willing to lose it all too.
你可能最后损失了一些或没有损失，但是如果你真的把身家性命都搭进去了那么你要愿意接受失去一切。
3.The money did belong to Mrs. Sanders, but she deserved to lose it after the way she had behaved, and , with it, he could buy the camera.
钱确实属于桑德斯夫人，但她当之无愧地失去它路后，她的行为，而且，有了它，他可以买相机。
4.Jeff compiled this great list to help us avoid the dreaded use it or lose it syndrome, and I am pleased to share it with you.
杰夫用这份伟大的列表来帮助我们避免可怕的“使用它或者失去它”综合症，而我很高兴和大家分享它。
5.Then Bassanio explained that his wife had given it to him on the day they got married and that he was told never to lose it.
接着巴塞尼奥解释说这枚戒指是他结婚当天他妻子送给他的，并被告知他绝不可将它遗失。
6.It doesn't matter how many hands you win or lose, it matters how much money you win or lose.
你赢了多少手，输了多少手，这无关紧要；重要的是你赢了多少钱，输了多少钱。
7.In the brief moments of its freedom, the English people makes such a use of that freedom that it deserves to lose it.
在其自由的短暂时刻，英国人就是如此利用其值得失去的自由。
8.Indeed, he is careful to say that resources alone will not win the war. But he does say that "under-resourcing could lose it" .
当然，他很谨慎的表示投入充足了不一定预示战争就一定会胜利，但他也明确的表示投入不足的话肯定要失败。
9.The game for the next defender will be to keep this momentum and not lose it in terms of organization above all to reduce the cost.
下一届卫冕者的挑战将是从组织形式上并且由其从成本上保持这个提升，并不要让它倒退。
10.Residents work seven days a week, often in Huaxi's industrial plants, and if you leave, you lose it all.
村民们每周工作7天，通常都在华西村的工业园区里，而且一旦离开之后，也就失去了所拥有的一切。