jiāo​jiǔ

to enter the coldest days of winter

Senses

交九 jiāo​jiǔ to enter the coldest days of winter

To enter the period after the winter solstice consisting of nine nine-day periods, traditionally considered the coldest time of year.

References

same_as 交九/交九 进九/進九
same_as 交九/交九 数九/數九
same_as 数九/數九 交九/交九