学生们都在认真听老师讲课，偏偏他一个人在那里打游戏。
The students are listening to the teacher carefully, but he is playing games there alone.
xuéshēngmen dū zài rènzhēn tīng lǎoshī jiǎngkè，piānpiān tā yīgèrén zài nàlǐ dǎ yóuxì 。
Expressing "contrary to expectations" with "pianpian"
A, Subject + 偏偏 + B
More from Chinese Grammar HSK 6
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