您要查找的是不是：
- The five-year-old boy is learning to do a sum. 那个5岁的小男孩子正在学做算术题。
- The boy is good at doing a sum in his head. 这男孩善于心算。
- The boy good at doing a sum in his head. 这男孩善于心算。
- Life is a romantic business. It is painting a picture, not doing a sum. 人生是挺浪漫的事。他像作一幅画，而非作一道数字运算。
- He deposits a sum of money in the bank each month. 他每月在银行存一笔钱。
- A sum of money paid as bail or surety. 保证金用作保释金或保证金的钱
- The lazy woman wouldn't do a stitch of work. 这懒女人一点事都不愿做。
- The long-distance call tolls amount to quite a sum. 长途电话费数目相当可观。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- They presented a sum of money to the college in memory of their son. 他们向学院赠送了一笔款项以纪念他们的儿子。
- She is out to do a bit of shopping. 她出去买点东西。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- He can't command so large a sum of money. 他不能支配这样大笔的款子。
- She can do a lot of skilled work though she is under age. 虽然她还太年轻，但她能够做许多需要技巧的工作。
- He used to do a lot of drinking but has signed off now. 他过去常常喝酒，但现在戒掉了。
- We've allocated a sum of money to education. 我们已经拨出了一笔教育经费。
- The land developer do a lot of under-the-table wheel and dealing. 那个土地开发投资人干了很多非法的交易。
- You dirty rat! How could you do a thing like that? 你这个不要脸的东西，这种事你都做得出?
- Such a sum he found would go near to ruining him. 他找到的这样一笔钱会毁了他。
- A sum was set aside for new farm machines. 拨了一笔款子用以购买新的农业机械。
