list作为动词本身有“列举”的意思，再加上个表示较少的“less”词尾，不就是“无精打采的连个例子都举不出来了嘛”！

listless

adj. 倦怠的；懈怠的；懒散的；萎靡不振；颓丧的；无精打采的；百无聊赖的；没有活力的; 懒洋洋的；不热情的；冷淡的；冷漠的

【En】

feeling tired and not interested in things.

感觉很累，对事情不感兴趣。

someone who is listless has no energy or enthusiasm.

无精打采的人，没有精力或热情。

lacking energy or disinclined to exert effort; lethargic.

缺乏精力或不愿努力的;昏昏欲睡。

having no energy and enthusiasm and unwilling to do anything needing effort.

没有精力和热情，不愿意做任何需要努力的事情。

● The heat was making me listless.

炎热的天气使我无精打采。

● He was listless and pale and wouldn't eat much.

他无精打采，脸色苍白，食欲不振。

● Usually, you would just sit listlessly, too hot to do anything else.

通常情况下，你只是无精打采地坐着，热得什么都做不了。

● Amy was distressed by Helen's listlessness.

海伦无精打采的样子，这让埃米很忧虑。

【Scenario Example 场景示例】

● Heat makes people listless.

天热得让人直打蔫儿。

● She looked washed out and listless.

她看上去精疲力竭而且情绪低落。

● The markets have been listless since August.

自8月份以来，市场一直萎靡不振。

● Her performance was dull and listless.

她的表演枯燥沉闷得让人昏昏欲睡。

● He's seemed listless and a little depressed ever since he got his exam results.

自从得知自己的考试分数后他就一直无精打采，心情也有些低落。

● I always feel rather listless on hot summer days.

每到炎热的夏天，我就有点儿懒洋洋的。

● So we go about our petty task, hardly aware of our listless attitude towards life.

因此我们一味地为琐事奔波，几乎意识不到我们对待生活的冷漠态度。

● Lady Blemley returned each time with an expression of listless depression.

布莱姆利太太每次回来都是垂头丧气的。

● He was too stupid, or of late had become too listless.

他人太笨，要不就是最近变得太懒散。

● They chatted all night long and were listless in class the next morning.

他们整夜都在聊天，第二天课上都无精打采的。

● The child looks a bit listless. I'm afraid he's not well.

这孩子看起来有点儿蔫儿。恐怕是病了。

● For a couple of hours they played a listless game of Scrabble in front of the fireplace.

他们在壁炉前无精打采地玩了几个小时的拼字游戏。

● The illness left her feeling listless and depressed.

那场病使她感到虚弱无力，提不起精神。

● A hot, sticky day makes a person listless.

又热又粘的天气使人觉得身上有气无力。

● Tim is listless on the job and keeps making dumb mistakes.

蒂姆在工作上无精打采，老是犯愚蠢的错误。

出处：见配图水印