大家好嗎？

How is everyone?

Source: Tatoeba

Sentence Composition

1 大家好 dàjiāhǎo hello everyone (crowd announcement or stage greeting)
=2 嗎 má (coll.) what?
=2 嗎 mǎ used in 嗎啡 mǎfēi
=2 嗎 ma (question particle for "yes-no" questions)