大家劝他别这样办，可是他偏偏不听。

Everybody tried to persuade him not to do it this way, but he willfully chose not to listen.

明明都对，他偏偏说不对。

They are obviously right, but he persists in saying they are wrong.

昨天他来找我，偏偏我不在家。

Unfortunately I wasn't home yesterday when he came looking for me.

别人都能完成定额，为什么偏偏我们不能完成?

Others can meet their quota. Why is it only us that can't?