1 sentence

1. 他对这种破坏环境的行为感到十分愤慨。

   tā duì zhè zhǒng pò​huài huán​jìng de xíng​wéi gǎn​dào shí​fēn fèn kǎi.

   He was deeply indignant about such acts of environmental destruction.

   Source: Dong Chinese Dictionary