偏偏 (of all things / just had to)

The universe picked today

• (indicates that sth turns…偏偏piān piān = "contrary to expectation / of all things / just had to".
• I / me我wǒto let / make让rànghe / him他tādon't别biéto go去qù，he / him他tā(indicates that sth turns…偏偏piān piānwant / will / need要yàoto go去qù = "I told him not to go, but he just had to."
• (indicates that sth turns…偏偏piān piān flags a frustrating clash with what you'd hoped.

A，Subj + (indicates that sth turns…偏偏piān piān + B

• (indicates that sth turns…偏偏piān piān marks B as stubbornly or annoyingly counter to A.

I我wǒtold让rànghim他tādon't别biégo去qù，he他tājust had to偏偏piān piāninsist要yàogo去qù。

• he / him他tā(indicates that sth turns…偏偏piān piānwant / will / need要yàoto go去qù = "he just had to go (anyway)."

Recap

Read the full reference: HSK 6 grammar — Adverbs.