试行的英文：
try out

参考例句：

The Measures for Rewarding Investment Attractors (for Trial Implementation)
招商引资奖励办法(试行)

We agreed how to try it.
我们就怎样试行取得了一致意见。

The man now tried another plan.
于是，这个人试行另一个方案。

The Temporary Regulation on Paid Channel Business of Broadcasting and Cable TV (Trial)
广播电视有线数字付费频道业务管理暂行办法(试行)

Congress has tried dozens of approaches to revitalize decaying urban and rural areas.
国会已试行过数十种方法来重振正在走向衰败的城乡地区。

Some Web developers say HTML 5 isn't yet ready to be used for anything besides trials.
有一些网页开发者说，HTML 5还在试行阶段，还无法真正应用。

An Arab uprising against us, which the Germans were definitely trying to foment, would have been disastrous
德国显然试行策划阿拉伯对我之暴动，以造成极大的危机。

try是什么意思：
v. 尝试，试验，试图，努力；审判；考验
n. 尝试，努力；试验

If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。

She is trying to slim.
她正在设法减肥。

They are trying to flog their house.
他们正试图卖掉房子。

To pick or try to pick pockets.
扒窃或企图扒窃

Try to compose your mind.
试着使你的情绪平静下来。

out是什么意思：
adv. 出外；在外；离岸；出现；问世；大声地；完全；用完；不流行
adj. 外侧的；偏僻的
prep. 通过…而出；沿着…而去
n. 借口，托辞
pref. 外，超过，出，向外

be out for the count
拳击者被击倒后经裁判数到十秒还站不起来|被判失败|打输|被打败

Out of the Blue
从天上掉下来

Out of power, he is out of favour.
当他失去权力之后，他也就不再受人欢迎。

One that is out, especially one who is out of power.
在野者在外的人，尤指政治上的在野派。

"Out of office, out of danger"
无官一身轻