1.
Not attempted, tested, or proved.
未证明的未试过的，未检验过的，或未被证明过的
2.
testing naive mice
测试未试验过的老鼠
3.
but I've never been in a small one, so I'll go.
但我从未坐过小的，那我就试一次吧。”
4.
It is still an untried policy.
这是一项尚未试行过的政策。
5.
My car failed its MOT test.
我的汽车未通过检验旧车性能测试。
6.
This latter way is the true one, but hitherto untried.
这后一种方法是真实的，但尚未有人试用过。
7.
Mary choked up in the examination yesterday
玛丽在昨天的考试中因过度紧张而未考好。
8.
wool not used before; wool not processed or woven before.
未曾用过的羊毛，未经加工也未编织过。
9.
Achievements and Errors of Traditional Teaching Evaluation Mechanism --Side Analysis of the History and Future of Education for the Purpose of Examination;
试评传统教学评价机制的功与过——兼析应试教育的历史与未来
10.
Many of the procedures we tried had never been used before on an active explosive volcano.
我们采用的许多试验方法，过去还从未在一次活喷发火山地区用过。
11.
"I have never had an erotic scene. I have always wanted to try it."
我从未拍过外国电影，我一直想试一试。”
12.
She has never taught school, but she intends to try it on next year.
她从未教过书，可她打算明年试试看。
13.
sit, take, pass, fail, etc one's baccalaureate
参加、 接受、 通过、 未通过...中学毕业考试.
14.
She was afflicted at the news that her son hadn't passed the examination
她为儿子未通过考试而难过。
15.
(of hair) not combed.
（头发）未梳理过的。
16.
It has been said that France advances by revolution from time to time but seldom, if ever, manages to reform.
有人认为法国的进步靠的是一次又一次的革命，而从未尝试过改革。
17.
{An unexpected error occurred during macro execution.}Check the syntax of your macro, and then try again.
{宏执行过程中发生未预期的错误。}请检查宏的语法，再试一次。
18.
You have not entered a password or have exceeded the number of password attempts allowed.
尚未输入口令，或已经超过了允许的口令最大尝试次数。