1. My daughter is becoming more and more disobedient. She no longer takes my words seriously.2. John, a defiant child, ran away from home just because his mother lectured him.3. The poorly disciplined dog was dumped by his owner in the dumpster.
 disobedient rebellious; defiant poorly disciplined很普遍，程度沒有像口氣那麼嚴重. 而 poorly disciplined 可用在小孩或動物，表示不守規矩沒有家教的意思
我女兒越來越不像話了, 我說什麼話她都當作耳邊風. 一個處於叛逆期不聽話的孩子
I have been wreking my brain on this tough math question but I still cannot solve it.