1.(采用前)严密试验;筛矿;量(金属的)纯度
1.to test someone or something to see what they are like or whether they are appropriate or effective
1."I tried out for an underwear fashion show and all I had to do was lose five pounds, " he said.
“我尝试参加一个内衣秀，而我所需要做的就是减5磅，”他说。
2.The therapy has so far only been tried out on mice, but the aim is to test it in humans within two years.
虽然此项实验结果是从小鼠实验中得到的，但是本研究的目的是在两年内能进行人体试验来检验效果。
3.Upon his arrival at his new Washington office in January, Mr. Weiner tried out his new desk.
1999年1月，甫来到位于华盛顿的新办公室，韦纳就试用起自己的新办公桌来。
4.I was hoping Mrs. Norton would just cut me from the play, but today she said that everyone who tried out is going to get a part.
我还指望诺顿太太能把我从剧中剔出去呢，不过今天她宣布人人有份。
5.As if moved by a single thought, they tried out in dismay and grief.
仿佛被一种单纯的思想所促使，他们惊惶失措，高声哀叫。
6.There is an argument that some of these virtual products being tried out there will end up in the same place as Second Life, " he says. "
有一种观点认为，某些正在尝试的虚拟产品，最终将落得与第二人生一样的结局。
7.The new packs were sent to Afghanistan last week to be tried out by personnel in all armed forces across the next three months.
新的食品袋已于上周送到阿富汗前线，那里的武装士兵将会试吃三个月。
8.So what I'd like to ask you is. . . what have you been wanting to do but haven't tried out of fear of doing it wrong?
所以现在我想问你…你是否曾经有因为怕做错而想做却没有做的事情呢？
9.But Michael's first hard lesson would come when he tried out for the varsity team at Laney High.
但迈克尔第一个挑战来到，他为大学代表队而努力。
10.Some men, tried out with listening and applauding, furtively leaped over the walls.
有的男听众实在受不了了，拍手也拍厌了，偷偷翻墙跑了。