1 sentence for 正巧 (zhèng​qiǎo — opportune)

1. 我刚准备去车站你就打来电话，时间真是凑得正巧。

   wǒ gāng zhǔn​bèi qù chē​zhàn nǐ jiù dǎ​lái diàn​huà, shí​jiān zhēn shì còu de zhèng​qiǎo.

   I was just about to head to the station when you called; the timing was perfect.

   Source: Dong Chinese Dictionary