ennui
US /ˌɑːnˈwiː/
UK /ˌɑːnˈwiː/

1.
倦怠, 厌倦, 无聊
a feeling of listlessness and dissatisfaction arising from a lack of occupation or excitement; boredom.
:
•
The endless lectures filled him with ennui.
无休止的讲座让他感到厌倦。
•
She suffered from a deep sense of ennui during her long illness.
在漫长的疾病期间,她感到深深的厌倦。