3 sentences for 发疯 (fā​fēng — go mad)

1. 你爱她爱得发疯了。

   nǐ ài tā ài de fā​fēng le.

   You are madly in love with her.

   Source: OpenSubtitles

2. 他因为受了太大的刺激而发疯了。

   tā yīn​wèi shòu le tài dà de cì​jī ér fā​fēng le.

   He went mad because of the severe shock.

   Source: Dong Chinese Dictionary

3. 他发疯了！

   tā fā​fēng le!

   He's gone mad!

   Source: OpenSubtitles