“无精”用英语怎么说

你这样无精打彩, 我敢说我要赶得上你了.You're so low, I dare say I shall keep up with you.他们无精打彩,垂头丧气.They bowed their heads and cast down their eyes.早餐时,他无精打彩,只吃了一点咸肉和鸡蛋.He pecked listlessly at his breakfast of egg and bacon....