adverb · used to emphasize that a specific person or thing is singled out, often unexpectedly or ironically; of all people or things

这么多人里，我偏偏遇到了他。

adverb · indicating that something happens contrary to one's wishes or expectations; as luck would have it

我今天没带伞，偏偏就下雨了。

adverb · insistently or contrarily; in a way that goes against reason or what is normal

老师让他改正作业里的错字，他偏偏不听。