2 sentences for 作对 (zuò​duì — oppose)

1. 他总是故意跟我作对。

   tā zǒng​shì gù​yì gēn wǒ zuò​duì.

   He is always deliberately going against me.

   Source: Dong Chinese Dictionary

2. 你是在跟老师作对吗？

   nǐ shì zài gēn lǎo​shī zuò​duì ma?

   Are you going against your teacher?

   Source: OpenSubtitles