无精打采: be in the blues; be a cup to low; be listless; be out of heart; dejected; dispirited and discouraged; get [have] the blues; have a fit of the blues; in low spirits; lackadaisical; listless
我不明白 为何仍觉得有些无精打采: but i dont know enough, i get some kinda lazy day
生命力: vitality; bionergy; entelechy; breath; spirit; juice; life; sap; life- force 短语和例子生命力强[弱] good [low] vitality; 显示了新的生命力 show renewed spirit; 人为的语言缺乏生命力。 an artificial language has no vital