2 sentences

1. 我婉言谢绝了他们的邀请。

   wǒ wǎn​yán xiè​jué le tā​men de yāo​qǐng.

   I politely refused their invitation.

   Source: AI Challenger 2017

2. 他邀我跳舞时我婉言拒绝了。

   tā yāo wǒ tiào wǔ shí wǒ wǎn​yán jù​jué le.

   When he asked me to dance, I declined politely.

   Source: AI Challenger 2017