What's sb,like/How's sb.like/WHAT does sb look like的区别

你是说要比较三者不同吗?(我当你是的啦)
举例说明:What is he like?(他是怎么样的一个人?)
How is sb like 很少这种说法;只有是how is sb(某人身体怎样)
What does he look like?(他长的怎么样)
可见:第一个注重讲人品;第二个不常见;第三个注重讲人的样貌;how is sb着重讲人的处境,身体等;