crime和criminal的区别：含义不同、词性不同、强调重点不同。crime可作名词和动词，含义为“罪行、犯罪活动、不道德的行为、判定犯罪、处罚军事犯”，侧重表示犯罪的行动；criminal可作名词和形容词，含义为“罪犯、刑事的、犯罪的”，侧重表示犯罪的人。

crime主要用作名词和动词，意为罪行;罪;犯罪活动;不法行为;不道德的行为;罪过；指控犯罪;判定犯罪;处罚军事犯。

例句：Stores spend more and more on crime prevention every year.

商店每年在防止犯罪方面的花费越来越多。

The massacre was a crime against humanity .

这场大屠杀是一桩反人类的罪行。

It's a crime to waste so much money.

挥霍这么多钱是一种罪过。

A language is a finely tuned instrument which it is a crime to damage...

语言是一种精心调试的乐器，破坏它就是一种罪过。

Unemployment may be an underlying cause of the rising crime rate.

失业可能是犯罪率攀升的潜在原因。

The government has launched a new offensive against crime.

政府发动了新的打击犯罪攻势。

This area of the city has become a breeding ground for violent crime.

这个市区已成为暴力犯罪的滋生地。

His new novel is a must for all lovers of crime fiction.

他的新作是所有犯罪小说爱好者的必读书。

criminal主要用作名词和形容词，意为罪犯；犯罪的;刑法的;刑事的;犯法的;涉及犯罪的;道德上错误的;不道德的。

例句：An insecure computer system is an open door to criminals.

不安全的电脑系统给罪犯提供了可乘之机。

We need to give young criminals a short, sharp shock.

对青少年罪犯我们需要给以短暂但严厉的惩处。

Even in prison, he continued to engage in criminal activities.

他甚至在监狱里还继续从事犯罪活动。

Details of his criminal activities were expunged from the file.

他犯罪活动的详细情况已从档案中删去。

She seemed perversely proud of her criminal record.

她似乎不通人事，拿自己的前科当荣耀。

The criminals know how to play the system and get away with it

这些罪犯知道如何钻体制的空子以逃脱惩罚。

He said he had done nothing wrong to merit a criminal investigation

他说自己没有干坏事，不应该受到刑事调查。