啦·lɑ助词,‘了’(·le)和‘啊’(·ɑ)的合音,兼有‘了’② 和‘啊’的作用{fusion of the sounds 了·le and 啊·ɑ and thus acquiring the meanings of both words to express exclamation and interrogation}: 二组跟咱们挑战~!{Group Two has really challenged us to a contest!}|他真来~?{Has he really come?} ⇒啦lā