who are they怎么回答

　　How many family members do you have? Who are they?

　　你的家庭成员有哪些？他们都是谁？

　　First of all, who are they? [ What] do they look like?

　　首先，他们是谁，他们是什么样子？

　　I have no idea, who are they?

　　我不知道，他们是谁？

　　Instead, get real and size up the competition: Who are they?

　　而是实事求是，查清竞争：他们是谁？

　　Who are they looking for?

　　他们在找的是谁？