Politicians are often accused of mendacity.是什么意思？

Politicians are often accused of mendacity.

政客们常被斥为扯谎成性。

politicians

n. 政治家( politician的名词复数 )，政客，玩弄权术者；

例句
I am sick of all the quarrelling among politicians who should be concentrating on vital issues.
我厌恶政客间的所有那些争吵，他们本应把注意力集中在重大问题上。

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

accused

n. 被告；v. 指责(accuse的过去式和过去分词)，控告；adj. 被控告的；

例句
Her assistant was accused of theft and fraud by the police...
她的助手被警方指控犯有盗窃和欺诈罪。

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。

mendacity

n. 虚伪，谎言；