定義 / Definition
[noun]
・someone who earns money for playing a sport
・an advantage or argument in favour of something.
[adjective]
・(of a person or an event) professional.
[preposition]
・in favour of.
[prefix]
・favouring; supporting.
・acting as a substitute or deputy for.
・denoting motion forwards, out, or away.
・before in time, place, order, etc.
— その他 例文 —
He’s a professional tennis player.
彼はプロのテニス選手です
I’m pro the death penalty.
私は死刑制度に賛成だ。