Boy: What do you want to be when you grow up?
男孩：你长大了想成为什么？
Girl: I want to be an engineer.
女孩：我想成为一名工程师。
Boy: I see... but how are you going to do that?
男孩：我明白了……,但是你打算怎样做呢？
Girl: I'm going to study math really hard.
女孩：我打算刻苦学习数学。