adj.倦怠的，无精打采的; 百无聊赖的; 冷淡的; 倦怠的

listless无精打采的
list,愉悦，欲望，精神，词源同lust,-less,无，没有。即没精神的，无精打采的。

torpid lethargic dull listless → 四大无力
to be listless → 无精打采的
listless a → 懒洋洋的；冷淡的
No listless → 无精打彩
listless economy → 经济萧条
Listless Power → 有气无力
be listless → 无精打采的
Do not listless → 别再无精打采
to feel listless → 感到没有精神

1. He was listless and pale and wouldn't eat much.
[汉]他无精打采，脸色苍白，食欲不振。
——来自柯林斯例句
2. She looked washed out and listless.
[汉]她看上去精疲力竭而且情绪低落。
——来自柯林斯例句
3. The illness left her feeling listless and depressed.
[汉]那场病使她感到虚弱无力，提不起精神。
——来自《权威词典》
4. The child looks a bit listless . I'm afraid he's not well.
[汉]这孩子有点苶,怕是病了.
——来自《现代汉英综合大词典》
5. She was very listless after her illness.
[汉]她病后懒洋洋的.
——来自《简明英汉词典》

【Adjective】

1. lacking zest or vivacity;
"he was listless and bored"
2. marked by low spirits; showing no enthusiasm;
"a dispirited and divided Party"
"reacted to the crisis with listless resignation"