if someone 和 if anyone的区别与用法.

If someone disturbs him, just he can get angry.
如果有人打扰他，他就会生气
（只要一有人，就....）
If anyone will help, it will expedite the matter.
如果有人帮助，将使事情加速。
（无论得到谁的帮助，他就会....）

work in
插进
He worked in the key and opened the door of the office.
他插进钥匙把办公室的门打开了。
引进
While telling the story he worked in a few jokes to make his listeners laugh.
在讲那个故事的时候, 他穿插了几个笑话引听众们发笑。
掺和
The worker worked in a little copper with the alloy.
工人在合金里搀了一点铜。

work out
解决, 解答; 计算出
This problem will not work out.
这个问题解答不了。
产生结果; 发展
The plan worked out badly.
计划进行不顺利。
锻炼
These athletes work out at the gym for two hours every day.
这些运动员每天都要在体育馆锻炼两个小时。
作出; 制订出
It wasn't too long before we had worked out a plan acceptable to all.
没多久我们就制订出一个大家都能接受的计划。
使筋疲力尽; 耗尽
He never seems to be worked out.
他好像永远不知疲乏似的。