Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
他明知方案尚未成熟,偏偏在会上当众作出承诺。Tā míngzhī fāng'àn shàngwèi chéngshú, piānpiān zài huì shàng dāngzhòng zuòchū chéngnuò.He clearly knew the proposal was not yet mature, yet he deliberately made a public commitment at the meeting.
我正要出门,偏偏下起了大雨。Wǒ zhèng yào chūmén, piānpiān xià qǐ le dàyǔ.Just as I was about to go out, it started pouring.
大家都说不要去,他偏偏一个人去了。Dàjiā dōu shuō bú yào qù, tā piānpiān yī gè rén qù le.Everyone said not to go, but he went alone anyway.