当别人对你说You are beautiful 怎么回答？不只是thank you

thanks a lot

well.......you are awesome/handsome
im very thankful
熟一点的就说sure yeah
its nothing

或者
thank u，i really appreciate it

多和外国人交流没什么的 有助于口语进步 多加几个外国好友
你会发现他们说话其实很随意很自然的
像马来西亚 埃及 新加坡什么的英语都比中国要好的多
听发音的话还是多和美国人交流

Thank you. 谢谢你。
Thanks. 谢谢。
Thanks a lot. 多谢。
Thanks very much. 非常感谢。
Thanks so much. 非常感谢。
Thank you very much. 非常感谢。
Thank you very much indeed. 真是太感谢你了。
It's very kind of you. 你太好了;多谢你了。
I'm much obliged to you. 非常感谢。
Much obliged [appreciated]. 非常感谢。

thank you,you are handsome针对男士（beautiful针对女士）

You are beautiful ,too 是对于女士的

Thanks for your compliment. Besides, you look energetic today.