怎么了 Traditional form: 怎麼了 Pinyin (reading): zěnmele Definitions: What's up? What's going on? What happened? Characters: 怎 - what? why? how? 么 - interrogative particle 了 - clear; to finish; particle of completed action Traditional characters: 怎 - what? why? how? 麼 - interrogative particle 了 - clear; to finish; particle of completed action