Who is the girl in red?

穿红衣服的那个姑娘是谁？

Who is the girl in pink?

那位穿粉红色衣服的女孩是谁呀？。

Who is the girl in white?

穿白色衣服的女孩是谁？

Who is the girl in white shirt?

穿白衬衣的那位女孩是谁？

Who is the girl? She is Han Meimei.

这女孩是谁? 她就是韩梅梅。

Who is the girl behind the counter?

在柜台后面的那个女孩是谁？

Who is the girl you are flirting with?

你调戏的那个女孩是谁？

That. Eg. Who is the girl that is crying?

正在哭泣的那个女孩是谁？

Who is the girl that is speaking at the meeting?

正在会上发言的女孩是谁？

Who is the girl that is sitting under the big tree?

坐在大树底下的那个女孩是谁?