bù​jiàn​tiān​rì

all black; no daylight

Senses

不见天日/ 不見天日 bù​jiàn​tiān​rì (also bú​jiàn​tiān​rì) all black; no daylight

lit. not seeing the sun or sky; used to describe a place that is dark and dingy, or figuratively, suffering oppression under dark rule or having no hope for the future

References

antonym 不见天日/不見天日 重见天日/重見天日