He had a sudden impulse to stand up and sing.
他突然心血来潮，想站起来唱歌。
I resisted the impulse to laugh.
我强忍着没有笑出来。
Her first impulse was to run away.
她的第一个念头就是逃走。
The door was open and on (an) impulse she went inside.
门开着，她一时心血来潮就走了进去。
He tends to act on impulse .
他往往凭一时冲动行事。
nerve/electrical impulses
神经冲动；电路脉冲
to give an impulse to the struggling car industry
给予挣扎中的汽车工业一点刺激
1.冲动;【物】冲量;推进力;脉冲;【医】冲动,搏动
2.鼓舞,刺激;一时高兴,兴奋
1.推动
1.a sudden strong feeling that you must do something; one of the strong basic feelings that make people do things; an impulse buy is something that you buy because you see it and want it
2.an electrical signal, for example one that is passed from a nerve to a muscle
1.I held it tightly between my toes, and, acting on an impulse, made a wild sort of scribble with it on the slate.
我的脚趾紧紧地夹住那支粉笔，然后凭着一时的冲动，用它在石板上使劲地乱画了一下。
2.The baby's crying sound, Chen in heaven suddenly inspiration impulse, a set of new thoughts like a meteor flash in his mind.
在婴儿的啼哭声中，陈顶天突然灵感迸发，一套全新的思绪如流星般在他脑海里闪过。
3.I really, I should not impulse for a while mistakenly, tell him me to like him well, I regretted, really!
我真的错了，我不该一时冲动，告诉他我喜欢他，我好后悔，真的！
4.Yet, as he hurried off down the dark, murmuring street, she had a sudden impulse to call him back.
然而，当他急匆匆地消失在漆黑一团，沙沙作响的大街上时，她突然情不自禁地想叫他回来。
5.He had an almost uncontrollable impulse to stand up and do one of his routines, dazzle them, show them what real talent looked like.
他差点控制不住自己的冲动，想要站起身来露一手，叫他们眼花缭乱，见识见识真正的天才到底是怎么回事。
6.She felt that she must lean toward him, and resisted by an effort. Then, too, there was the counter impulse to shrink away from him.
她感到必须向他靠近，却也遭到抵抗，有一种反冲动逼使她退缩开去。
7.Mayo came here on impulse without a single thought about what would happen. She felt as if her chest was being crushed by helplessness.
真夜是在一时冲动之下来到这里，根本没细想过接下来会发生什么。她觉得自己的胸膛好象就快被绝望给碾碎了。
8.The impulse gone, I fell down and cried for her to take me up in her arms.
这种冲动付出了代价，我跌倒在地，哭叫着扑进母亲的怀里。
9.She walked about in her room and wondered what new impulse had led her to commit so ridiculous an act.
她在她的房间里走来走去，心里在纳闷，是什么新的冲动引她作了这样荒谬的一件事。
10.For a man die very easily, need is just a temporary impulse, but with the mind, but a person together.
为一个人死很容易，需要的只是一时的头脑冲动，但是跟一个人在一起，却很难。