opportuneKK [ˏɑpɚˋtun] /ˌɑpɚˈtun/發音形容詞1時機恰當的、適時的、正是時候的正式She waited for an opportune moment to raise the subject of money.她等著一個恰當的時機再提錢的事。2合適的、適當的正式His remark was hardly opportune, given the tension in the room.考量到當時室內的緊張氣氛,他那句話實在不太適當。