modal particle, punctuation · interrogative final particle

你现在准备好了么？

pronoun, verb, measure word, adjective, adverb · suffix used to form interrogative or indefinite pronouns such as 'what' or 'this way'

你在看什么？

modal particle · exclamatory final particle

他有多好么！

noun · extremely small or insignificant

这些碎末细如麽尘，几乎无法察觉。