Question

我代表我母亲写信，对你的帮助表示感谢，翻译英语

Answer 1

I wrote this letter on behalf of my mother to show our thanks to your help

Answer 2

在英语中 感谢的对象 只能是人 不能是 物或事情 下面的表达是错的think your help 应该是 thank you for your helpthinks to your help 应该是 thinks for your help.show our thinks to your help 应该是 show our thinks (to you) for your help.