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1·The motive for the killing is unknown.

杀人的动机不明。《柯林斯英汉双解大词典》

2·There seemed to be no motive for the murder.

这起谋杀案看不出有什么动机。《牛津词典》

3·Police have ruled out robbery as a motive for the killing.

警方已排除了抢劫是杀人的动机。《柯林斯英汉双解大词典》

4·The police have excluded theft as a motive for the murder.

警方已排除这起谋杀案中的偷窃动机。《牛津词典》

5·Their motive is money, and they will stop at nothing to get it.

他们的动机是钱，因此他们将不顾一切地捞钱。《柯林斯英汉双解大词典》

6·I put it to you that you are the only person who had a motive for the crime.

我跟你说白了，你是唯一有作案动机的人。《牛津词典》

7·Jealousy was assigned as a motive for the crime.

嫉妒被认为是犯罪的动机。

8·The man privately admits that his motive is profits.

那人私下承认他的动机是为了牟利。《新英汉大辞典》

9·One motive in imposing the new rule is to enhance bankers' sense of responsibility.

实施新规定的一个动机是为了增强银行家的责任感。

10·These poets always approached their writing as artists, and their motive was aesthetic.

这些诗人总是以艺术家的身份来创作，他们的创作动机是审美。

动机

1·The motive for the killing is unknown.

杀人的动机不明。《柯林斯英汉双解大词典》

2·There seemed to be no motive for the murder.

这起谋杀案看不出有什么动机。《牛津词典》

3·Police have ruled out robbery as a motive for the killing.

警方已排除了抢劫是杀人的动机。《柯林斯英汉双解大词典》

4·The police have excluded theft as a motive for the murder.

警方已排除这起谋杀案中的偷窃动机。《牛津词典》

5·Their motive is money, and they will stop at nothing to get it.

他们的动机是钱，因此他们将不顾一切地捞钱。《柯林斯英汉双解大词典》

目的

1·Besides, the 49-year-old British Army Captain had a more selfless motive for attempting the feat.

此外，这位49岁的英国陆军上尉尝试这一壮举还有一个更无私的目的。

2·Whatever your motive, if you want to try living with 100 items or less, you'll need to start thinking about what items you can't live without.

不管你是何种目的，如果要尝试只保留不多于100项的物品，你就需要考虑明白什么物品是你生活所离不开的。

3·To classify series cases according to the motive of the offender is more helpful to joint investigation work than according to characteristics of cases.

对系列案件按作案人的作案目的进行分类，比按案件性质进行分类更有利于串并侦查工作的开展。

4·Due to such motive, it is spared to uglify female and marriage. Thus romance killing female as a kind of ceremony to become sworn brothers.

这类侠义文学为达到此目的，不惜以丑化女性和婚姻作为牺牲，并把杀死妇人当作江湖结义的一种仪式来渲染。

5·The futures market has particularities in the exchange objects, the exchange motive, the results of profit or loss, the system of margin.

期货市场在交易对象、交易目的、盈亏结果和保证金制度上都具有特殊性。

(1)motive force动力；起动力，原动力

(1)motive power动力

(1)ulterior motive隐秘不明的动机

(1)profit motive利润动机