blithelessWiktionary 原文英美构词拆解blitheblithe词干less-less后缀-lessLacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.词源说明From blithe + -less.释义形容词adjective1Without happiness or joy; unjoyful; sorrowful; sad.2Pitiful; miserable; wretched.