帮忙写篇英语短文（汉译英）.........

Last weekend my mother and I were shopping when we found a foreigner who wanted to buy a pair of shoes,but he knew little Chinese and the salesman couldn't understand English either.So I went up to translate for them and helped him to buy a pair of shoes.The foreigner was very glad and thanked me for my help .My mother was also pleased and praised me a lot .

In the weekend, you and mother were shopping. Then see a man who want to buy a pair of shoes, he did not understand Chinese, salespersons also does not speak English, you are approached for help for their translation, to help him buy a pair of shoes. Foreigners and to thank you very happy. Mother praise you.

要多少字，什么水平？

Last weekend,mum and I were going for windows shipping when we noticed a foreigner who wanted to buy a pair of shoes , but had difficulty communicating with the salesman,because neither of them could understand each other's language.So I went up and acted as a interpreter.Finally th