you changed:你变了。
I don"t even know who you are. You
changed.
我甚至不认识你了,你变了。
What happened? You changed your
mind?
出什么事了?你改变主意了?
You have changed a lot, I saw your
shadow in a lot of bright future.
你变了许多,我从你的身影中看到了许多美好的未来。
Why have you changed you job so
frequently?
你为什么经常换工作?
How have you changed since you came here?
你来这儿之后,你觉得你自己改变了吗?