Examples
méi没duō jiǔ多久，wǒ men我们yòu又pèng qiǎo碰巧yù dào遇到le了。
没多久，我们又碰巧遇到了。
It was not long before we met again by chance.
节日和考试碰巧在同一天。
The date of the festival coincides with that of the exam.
您碰巧有一本额外的英文字典吗？
Do you have an extra English dictionary by any chance?