They never neglect their duties.是什么意思？

They never neglect their duties.

他们从未玩忽职守。

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。

never

adv. 从不，从来没有，一点也不，决不，<口>不会…吧，没有，不曾；

例句
The public never had faith in his ability to handle the job...
公众从来不相信他有能力胜任这一职位。

neglect

vt. 疏忽，忽略，遗漏，疏于照顾；n. 玩忽，被忽略的状态，怠慢；

例句
America and Japan have settled back into a policy of benign neglect of their currencies.
美国和日本又回到了不作为货币政策的老路。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

duties

n. 关税，责任，上班，职责，职责（ duty的名词复数 ）；

例句
I carried out my duties conscientiously...
我一丝不苟地履行我的职责。