listless
adj. 倦怠的；无精打采的；百无聊赖的
例句
She looked washed out and listless.
她看上去精疲力竭且情绪低落。
《柯林斯英汉双解大词典》
He was listless and pale and wouldn't eat much.
他无精打采，脸色苍白，而且食欲不振。
The illness left her feeling listless and depressed.
那场病使她感到虚弱无力，提不起精神。
《牛津词典》
