He had many motives for wanting to knock off Yvonne...是什么意思？

He had many motives for wanting to knock off Yvonne...

他有很多杀伊冯娜的动机。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

many

adj. 许多，多的；pron. （与复数动词连用）大多数人；

例句
There are many people who still find the act of abortion abhorrent.
仍有很多人对堕胎行为表示厌恶。

motives

n. 动机，目的( motive的名词复数 )；

例句
He is embarrassed about the motives behind his decision.
关于这项决策的背后动机，他觉得难以启齿。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

wanting

adj. 欠缺的，不足的；v. 缺少( want的现在分词 )，应该，打算，需要…在场；

例句
What he wants is a switch to a market economy in a way which does not reduce people's standard of living. To many this sounds like wanting to have his cake and eat it.
他想要转型为市场经济,同时又不降低人们的生活水平。在许多人看来,这是想要鱼与熊掌兼得。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

knock

n. 短促的敲打（声），爆震声，敲击声，敲门（或窗等）声；vi. 猛烈敲击，与某物相撞，撞到了桌子；vt. （心）怦怦跳，把…撞击成（某种状态），批评；

例句
The stink was fit to knock you down.
这臭味简直要把人熏倒。

off

prep. 从…落下，离开，从…去掉，下班；adv. 离开，距，离，被取消，下班；adj. 不新鲜的，不能接受，不礼

例句
He eased his foot off the accelerator.
他松开了油门。

Yvonne

n. 伊冯(f.)；

例句
My sister Yvonne also came to live at Ockenden Cottage with me.
姐姐伊冯娜也来到奥克肯登小屋和我一起住了。