Between 1960 and 1985 we had a tenfold increase of criminality.是什么意思？

Between 1960 and 1985 we had a tenfold increase of criminality.

从1960年到1985年，犯罪数量增长了10倍。

between

prep. 在…之间，私下，暗中，在…中任择其一，来往于…之间；adv. 当中，中间；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

we

pron. 我们，咱们，笔者，本人，朕，人们；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

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。

tenfold

--

例句
The two companies grew tenfold in the ensuing ten years.
在随后的10年中，两个公司的规模扩大为原来的10倍。

increase

vt.& vi. 增加，增大，增多；vt. 增强，增进，[缝纫]放（针）；vi. 增强，增进，增殖，繁殖，[缝纫]放针；

例句
Companies need to take active steps to increase exports.
各公司需要采取积极措施增加出口。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

criminality

n. 有罪，犯罪，犯罪行为；

例句
The sleaze criminality of many regional politicians made this seem almost sensible - until Mr Putin's appointments began.
许多地区劣迹斑斑、行累累的政客使得这个决定在普京任命工作开始前看起来还算明智.