基本解释adj.不快乐的；沉闷无趣的同根派生 英汉例句用作形容词 (adj.)Jane is trapped in a joyless marriage.简陷入了一段不快乐的婚姻。Life seems grey and joyless to them.对他们来说生活是灰色的、不快乐的。I see many students taking pre-medical courses with joyless tenacity.我见过许多上医科预备课程的学生趣味索然地苦撑。