Now let me see ─ how old is she now?
讓我想一想，她現在多大了呢？
How much will it cost, more or less?
這個大概得花多少錢？
I don't know how you can say things like that.
真想不到你怎么會說出這種話來。
How many people were there?
有多少人？
In this class, students will learn how to program.
這節課學生將學習編程。