英语好的人进进进~~~~超级简单

Although this is a good idea, but please help me

This idea is good,but I want you to help me.

Although it's a good idea,please help me.

althought it is a good ideal but help me,plz

大概是这样吧~~~

楼上的几位 ALTHOUGH 和BUT 不可一起使用,
所以
although it is a good idea,but please give me a hant