1. be yourself 行为自然；不做作
The best thing you can do is to go into the interview and just be yourself.
你最明智之选就是进来面试时自然地表现自己。
2. by yourself 一个人地
Im amazed1 you managed to move those boxes all by yourself.
你居然能一个人搬动那些箱子，真让我吃惊。
3. to yourself 独有；专用
So you have the whole house to yourself this weekend?
那样，本周末整个房屋就是你自己的天下了？
4. in yourself
这个短语用于询问某人身体抱恙时的自我感觉。
I know you must still be uncomfortable, but how are you in yourself?
我了解你一定还是不舒服，不过你一个人感觉如何？
5. help yourself to 自取； 随意吃
You are asked to help yourself to food.
请你自取食物。
这个短语让我想到了一句作文加分句：
God2 helps those who help themselves.
天助自助者。
6. let yourself go
这个短语有两个意思，第一是放纵自流；不修边幅。
Its easy to let yourself go when youve got small kids.
有了孩子后比较容易就不注意打扮了。
第二是完全放松，尽情享受。
Its a party - let yourself go!
这是个聚会尽情地玩吧！
