黑咕隆咚

hēigulōngdōng

黑咕隆咚 — hēigulōngdōng

1. pitch-black; pitch-dark

   夜里黑咕隆咚，什么也看不见。 yèlǐ hēigūlōngdōng shénme yě kànbújiàn — At night it was pitch-dark and you couldn't see anything.