1.look for something 盼望或期待某事物

We shall be looking for an important in your work this term.
我们期待你这学期功课进步。

look for 寻找

So where should we look for happiness?
那么，我们应该去哪里寻找幸福？

Every time a door closes another one opens, look for the open doors, look for the opportunities that are in front of you.
每次当一扇门关闭的时候,就会有另一扇门打开,去寻找那些敞开的门,寻找在你面前的那些机会。

2.carry out vt. 执行，实行；贯彻；实现；完成

You must carry out my orders.
你必须执行我的命令。

Seeing that he could not carry out his plan,he flung up his cards.
他看到不能实现自己的计划，就撒手不管了。

To carry out and implement guidelines and policies on the administration of industry and commerce and draft the related local laws and regulations.
贯彻执行国家有关工商行政管理的法律、法规和方针政策，研究起草有关地方性法规和规章草案。