They inflated clients' medical treatment to defraud insurance companies...是什么意思？

They inflated clients' medical treatment to defraud insurance companies...

他们夸大客户伤势的严重性和治疗情形以欺骗保险公司。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

inflated

adj. （价格）飞涨的，（通货）膨胀的，<贬>言过其实的，充了气的；v. 使充气（于轮胎、气球等）( inflate的过去式和过去分词 )，（使）膨胀，（使）通货膨胀，物价上涨；

例句
Price Waterhouse have traced the losses to lenders' inflated assessments of mortgaged property.
普华永道会计师事务所已经查明损失源于贷方对按揭财产估值过高。

medical

adj. 医学的，医药的，医疗的，内科的；n. 体格检查；

例句
...a Code of Practice that would give patients right of access to their medical records.
允许病人查看自己病历的职业准则

treatment

n. 治疗，疗法，处理，待遇，对待；

例句
He was admitted yesterday for treatment of blood clots in his lungs.
他昨天入院治疗肺部的血块。

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。

defraud

vt. 诈取，骗取，欺骗；

例句
He pleaded guilty to charges of conspiracy to defraud the government...
他承认了阴谋诈骗政府的罪名。

insurance

n. 保险，保险业，保险费，预防措施；adj. [体]巩固球队领先局面，使对手不能因增加一分而成平局的；

例句
My insurance excludes acts of sabotage and damage done by weapons of war.
我购买的保险对于蓄意损坏以及战争中武器造成的损坏不予赔偿。

companies

n. 公司( company的名词复数 )，[军事]连，连队，客人；

例句
The workforce have recently been calling for their working hours to be reduced. Many companies have accordingly switched to a five-day week.
工人们最近一直在呼吁缩短工作时间。许多公司于是转成了一周五天工作制。