Many thanks! 非常感谢!

Thanks a lot! 非常感谢!

Thank you so much! 太感谢你了!

Thank you very much! 非常感谢你!

Thank you kindly! 谢谢你!

I owe you one! 我欠你一个人情!

That's prefect! 太完美了!

I can't thank you enough! 我怎样都谢不完!

What would I do without you! 如果没有你我可怎么办啊!

Much obliged! 衷心地感谢!

Cheers! (英式)谢谢!

I'm thankful to you! 我很感谢你!

It's so kind of you! 你太好了!

I greatly appreciate it! 我非常感激你的帮助!