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- Old But how did you know? 可是你怎么知道的?
- That's right, the boy said, But how did you know? 男孩说,对了,但是您是怎么知道的?
- OK, but how do you know if something is too loud? 好了，那么你如何知道声音是否太大声呢？
- But how do you know that?' he interposed. 那麽你是怎麽知道那件事的呢？＇他插嘴问道。
- "I am",replied the balloonist,"but how did you know? “是的，”乘气球升空者说，“可你是怎么知道的？”
- "I am" replies the balloonist, "but how did you know? “我是，”气球旅行者说，“你是怎么看出来的？”
- "I am," replied the balloonist, "but how did you know that? “我是”，气球驾驶者道“但你是怎么知道的？”
- "I am," replied the balloonist, " but how did you know that? “我是”，气球驾驶者道“但妳是怎么知道的？”
- Dave: But how did you know I was working for Webtracker? 戴夫：可是你怎知道我在替“网路搜寻家”工作?
- Right; but how do you know there's a sergeant there? 正确。可你如何知道那儿有一个中士?
- Snake: Mmm... but how did you know there was a transmitter lodged in there? 有时，你是不是更喜欢我用美国式的做法？
- To lose 20 jin in a week maybe a unrealizable target but how do you know? 最有效的方法是相信“耐心”和“积累”的力量。
- A baby monitor system is an essential purchase for parents-to-be, but how do you know which model to buy? 婴儿监控系统是不可或缺的父母买地,但你怎么知道买那种模式?
- You're attracted to her,[chuckles]That sounds great, but how do you know that it's a crush or it's real love? 好有吸引力啊,[笑]听起来不错,不过你怎么知道那是一时冲动还是真爱?
- Many people often go to a zoo and they like watching the animals there. But how do zoos begin, do you know? 很多人经常去动物园，他们喜欢观看那里的动物。可是，动物园是怎样诞生的，你知道吗？
- Very presuming wrote this one letter to you, but how do you know in the day that there is a class I have long for you? 很冒昧的给你写了这一封信，但是你知道在没有课的日子我有多么思念你吗？
- The young man asked the blind man puzzlingly, “You are blind and can see nothing, but how do you know I am a thief? 青年疑惑不解地问盲人：“你是盲人，什么都看不见，怎么就知道我是小偷呢？”
- I do paint a little, but only as a hobby. How did you know, anyway? 我是画一些画的，但只是爱好而已。你怎么会知道的？
- How do you know he didn't act by the rules? 你怎么知道他没有按规定行事的?
- Yes,we are moving soon,but how did you hear of it? 是的，我们马上要搬家了，不过你是怎么知道的?
