我们讲的英语第128期:To jump the gun 抢先行动

重点讲解：
1. watch out
小心，提防（不愉快的事情或陷入困境）；
eg. I advised them to watch out for slick spots on the sidewalk.
我叫他们当心人行道上路滑的地方。
eg. Watch out that you don't get them into trouble.
当心，别让他们碰到麻烦。
2. jump the gun
抢先行动；过早地行动；
eg. It wasn't due to be released until September 10, but some booksellers have jumped the gun and decided to sell it early.
这本书定于9月10号发行，但是一些书商已抢先一步，决定提前销售。
eg. Don't jump the gun. We need a further discussion.
不要草率行事，我们还需要作进一步讨论。
3. switch off
关掉，关上（电灯等）；
eg. If the result seems a foregone conclusion, people switch off.
如果比赛似乎将要发展成赛前预料的结局，很多观众将选择关掉电视机。
eg. Always switch off the power supply after using electrical equipment.
电气设备使用完毕后，一定要关掉电源。
4. be eager to do sth.
热切的；渴望做某事；
eg. I'm eager to know what your decision is.
我急于想知道你的决定是什么。
eg. He is eager to make a parade of his own abilities.
他急于炫耀自己的才干。
5. gun down
枪杀；开枪射伤；
eg. He had been gunned down and killed at point-blank range.
他被近距离开枪射杀。
eg. He is gunned down in the street outside his office.
他在他办公室外的街上被枪杀。