yours

pron. 你（们）的东西；你的责任[义务]；你的家属；来信，尊函

adj. 你（们）的（东西）；信末署名前用语

英文词源

yours (pron.): absolutive form of your, c. 1300, on model of his, ours, etc. Yours truly "myself" is from 1833, from the common subscription of letters.
It is difficult to say what will succeed, and still more to pronounce what will not. I am at this moment in that uncertainty (on our own score,) and it is no small proof of the author's powers to be able to charm and fix a mind's attention on similar subjects and climates in such a predicament. That he may have the same effect upon all his readers is very sincerely the wish, and hardly the doubt, of yours truly,
"B."
[Lord Byron to John Murray, Dec. 4, 1813]

2. "This ain't no affair of yours, boy!" McClosky said threateningly.: “小子，这不关你的事！”麦克洛斯基威胁道。

3. "Up yours," said the reporter and stormed out into the street.: “去你的，”记者边说边怒气冲冲地冲到大街上。

4. I'll take my coat upstairs. Shall I take yours, Roberta?: 我要把我的外套拿到楼上去。罗伯塔，要我把你的也拿上去吗？

5. Waiting to hear from you, Yours sincerely, William Faulkner.: 盼复，您的诚挚的，威廉·福克纳