C2 noun /ˈɒnwiː/ or /ˈɑːnwiː/
ennui
倦怠
Meaning
A feeling of boredom, listlessness, or dissatisfaction arising from lack of excitement.
Example
After weeks of doing nothing, he sank into a deep sense of ennui.
在没有做任何事情的几周后,他陷入了深深的倦怠。