2 sentences

1. 我不能让她跟我们对着干。

   wǒ bù néng ràng tā gēn wǒ​men duì​zhe​gàn.

   I can't have her turning on us.

   Source: OpenSubtitles

2. 由于处于叛逆期，这个孩子总是和老师对着干。

   yóu​yú chǔ​yú pàn​nì qī, zhè​ge hái​zi zǒng​shì hé lǎo​shī duì​zhe​gàn.

   Being in his rebellious phase, the child is always defying his teachers.

   Source: Dong Chinese Dictionary