礼貌的拒绝 How to turn down somebody politely

 

Wǒ zuìjìn hěn máng, wǒ méiyǒu shíjiān.

我最近很忙，我没有时间。

I'm really busy, I don't have time.

 

Wǒ duì zhège bùgǎn xìngqù.

我对这个不感兴趣。

I'm not interested in it.