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- I know Greg by heart. 我暗记着葛瑞克。
- I've dialled the number so many times I know it by heart. 这个号码我拨了很多次，都记住了。
- I know the passage by heart and can recite it word-for-word. 我把这一段都背过了并且可以逐字地背诵。
- I can recite this poem without looking at it. I know it by heart. 我不用看就能把这首诗背出来。我已经把它背下来了。
- I've heard this tune so many times that I know it off by heart. 这个曲子我耳熟能详。
- Can I help you with the machine? I know the instructions off by heart. 要我帮你开机器吗？我已记住了操作指南。
- I know the new regs by heart. 那些新规章我背得出来。
- I know you very well by reputation. 久闻大名。
- All of your wonted deeds,I wanted know by heart. 所有你习惯性的行为，我想要全部熟记于心。
- I know a fellow who live for year by his wit. 我认识一个人，好多年来他就靠施展小聪明过日子。
- When it comes to German, I know nothing. 谈到德语，我一窍不通。
- All you have to do is learn it by heart. 你只要做的就是把它背出来。
- I know Mrs Hill by sight, but we've never met. 我见希尔夫人面熟，但并不相识。
- The orator had conned it by heart. 演讲者已把它熟记在心。
- I know the monkey on his back can't be removed by any means. 我知道他的毒瘾是啥法子也除不掉的。
- I know by her smile that she has guessed what I am thinking. 我从她的微笑知道她猜着了我在想什么。
- The boy soon learned the poem by heart. 这男孩不久便能熟背这首诗了。
- I know where the picturesque old-world village is. 我知道那个风景如画的古老村寨在哪儿。
- The children all had to learn the poem by heart. 孩子们都得把这首诗背出来。
- Now I know where to go when I feel homesick. 现在我知道想家的时候该去哪儿了。
