發瘋 fāfēng to go crazy Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: to act insane All meanings 10 fāfēng 10 to go crazy 9to act insane 1 1 sentence for 發瘋 (fāfēng — to act insane) 我可不想你今晚对着我发疯。 wǒ kě bùxiǎng nǐ jīnwǎn duìzhe wǒ fā fēng. I don't want you going crazy on me tonight. Source: OpenSubtitles