感觉有语法问题,were bought 是被买的意思,应该不是when you were bought, 是when you bought it.
所以翻译是不是：
当你买下它时,我同意了,但是（由于一些其他原因）那并不算数.
go along
KK: [ ]
DJ: [ ]
1. 进行;继续
You'll find it easier as you go along.
你做下去就会觉得容易些.
2. 同意;合作
I can't go along with your suggestion.
我不赞同你的提议.