半疯半癫半神经
[bàn fēng bàn diān bàn shén jīng]
This translates literally into English as 'half crazy, half eccentric', indicating a carefree, somewhat unconventional attitude towards life. The person probably wishes to express their rebellious, unconventional side, highlighting the individual's refusal to be bound by traditional values. They may enjoy acting crazily at times while remaining rational at other times, showcasing a free and unpredictable personality feature.