Question

she is good-looking对good-looking提问

Answer 1

最好用：What does she look like?
而 What's she like? 不一定只是问“长相”，还可能包括“性格、为人”等。

追问

可是原句中有be动词，为什么要用does呢？

追答

这样的句子就不能按照老师教的常规方法变疑问句了，属于特例，就得特殊处理。

Answer 2

What's she like？ what does she look like？ 她长得什么样？