What sb.be like/how sb.look like/what do sb look like/how sb.be like的区别?

What sb.be like=What is sb.like?
某某看上去像什麽?
how sb.look like=How does sb.look like?
某某看上去像如何啊?
what do sb look like=What does sb.look like?
某某看上去像什麽?（类似第一句）
how sb.be like=How is sb.like?
某某看上去像如何啊?（类似第二句）