2 sentences for 错乱 (cuò​luàn — deranged)

1. 他的神经有点儿错乱起来了。

   tā de shén​jīng yǒu​diǎn er cuò​luàn qi​lai le.

   His wits begin to unsettle.

   Source: OpenSubtitles

2. 他因为受到严重打击而精神错乱。

   tā yīn​wèi shòu​dào yán​zhòng dǎ​jī ér jīng​shén cuò​luàn.

   He suffered a mental breakdown due to a severe blow.

   Source: Dong Chinese Dictionary