几个英语词组的辨析

1.try to do 表示“努力做某事”；Try doing表示“尝试做某事”。例如：

She tried washing her hair with a new shampoo.

她试着用一种新的香波洗头发。

He didn”t try to do it.

他不肯努力去干

please try to finish this work in thirty miniutes.
请尽量在30分钟完成这项工作。

why didn't you try riding a bike to go to school?

为什么不试着骑车去学校呢？

要点：try to do sth.表示"试图干……"，强调付出努力，但不一定成功；

try doing表示"尝试干、干……试试"，含有"看结果如何"之意。

例：

I usually go there by train.

-Why not _________ by boat for a change?

A.to try going B. trying to go

C.to try and go D.try going

答案为D。
2. give out
分发
to give out pamphlets
分发小册子
Give the money out to the children.
把钱分给孩子们。
用完，用尽
Our food supply at last give out.
我们的食物终于用完了。
His strength gave out.
他已精疲力竭。
(= run out)
停止，不动
The engine gave out.