luckless是什么意思 a. 不幸的, 坏运气的 a having or bringing misfortune luckless的用法和例句: 1. My sister's luckless at dice, lucky in love. 我姐姐掷骰子的运气差 但爱情走运 2. The sticky slime hardens on impact, trapping the luckless insect. 黏液在撞击后...