quán​tiān​hòu

all-weather

全天候 quán​tiān​hòu
all-weather adjective
able to operate or be used in any weather conditions
around-the-clock
providing service or operation continuously for 24 hours a day; round-the-clock

Frequency

Movie subtitles
2.38 per million appears in 1% of films
Written text
2.74 per million

Sources