Ennui (noun)
Definition: 倦怠的感覺 / 無聊/ 厭倦
A feeling of weariness and dissatisfaction.
例句:
Not being able to socialize during lockdown brings many ennui.
Kids often feel ennui during adult gatherings when they are feeling ignored.
影音來自:
Gilmore Girls:
https://youtu.be/g_N_2bGzvwc
Dear Kitty:
https://www.youtube.com/watch?v=UJPJUaZZOss&t=31s