第三者的英文：
third party
thirdparty

参考例句：

Divorce rate is going up year by year as a result of the involvement of the other men or women.
由于第三者插足，离婚率逐年上升

Whether third party liability is to be covered? If so, please specify the following items.
是否投保第三者责任？如是，请列明下列各项。

In trust as an escrow.
根据协议由第三者暂为保管

Because your ticket was purchased by the third party.
因为你的机票是由第三者购买的。

The author meditated on the theme of his book before sketching out the plot
作者在第三者划情节之前先思考了他的书的主题。

I pay rent to a third party, not directly to the landlord.
我把房租交给第三者，没有直接交给房主。

She sounded so detached and impersonal that he began to feel exasperated
这摆明出来的好像是第三者的态度，却把范博文激怒了。

It reduced the romance to platitude, and the third person in the drama to the appearance of a stick
这使得浪漫色彩减少为陈词滥调，而剧中的第三者成了一个呆头呆脑的角色。

When his eyes went up again to her face, he found her as calm, dispassionate and impersonal as she always was
但是当他的眼光终于又回上去注在林佩珊的脸上时，他忽然发见林佩珊的神情是冷静得和平常一样，和第三者一样

third是什么意思：
num. 第三，三分之一
adj. 第三的；三分之一的

One third of the population are townsmen and two thirds countrymen.
三分之一的人口是住在城里，三分之二住在乡下。

Passing of the Third Floor Back
四楼尽头的信道

The third coordinate is elevation.
第三项坐标是高程。

party是什么意思：
n. 党，党派；队，社交聚会一方，参与者；餐馆食客
adj. 社交聚会的，党派的，共有的，共用的
v. 参加社交聚会；尽情欢乐，为...举行社交聚会

Ours is a great Party, a glorious Party, a correct Party.
我们的党是一个伟大的党，光荣的党，正确的党。

They are the backbone of the party.
他们是政党的骨干。

an orgy of parties
一连串宴会的狂欢

thirdparty是什么意思：
n. 第三者,第三方

Third-party states have no title to object to cession.
第三国无权反对割让。

Audit [finance]: Inspection of accounting or other records in order to provide a basis for third-party evaluation or appraisal.
审计[财务]:为向第三方提供评价或评估的依据，对会计或其它记录进行检查。

Some sniffers are
有些嗅探器是 “第三方”，嗅探外部机器与嗅探器本身之间的流量。