leap year; a year that contains an extra day in the solar calendar or an extra month in the lunar calendar

extra month added to the lunar calendar approximately every three years to keep it in sync with the solar year

the act of inserting an extra day or month into a calendar to keep it in sync with the solar year; to intercalate

The extra day added to the end of February roughly every four years in the solar calendar.

Dragon King of the West Sea; a deity in Chinese mythology

Early Qing dynasty poet (1618-1683), known for his lyric poetry and regarded alongside Song Wan as one of the preeminent literary figures of his time

(literary) an imperial reign or throne considered not to be in the legitimate or conventional line of succession; an intercalary reign

A proverb suggesting that an intercalary fourth lunar month brings crop failure and food shortages, forcing people to eat tree leaves.

(literary) an illegitimate or usurping dynasty; a regime that lacks historical legitimacy in contrast to the orthodox [[正统|正統|zheng4 tong3]] dynasty

(literary) regional or local pronunciations that do not exist in standard Mandarin; also refers to phonetic symbols used to transcribe such sounds

To be in straits or have a streak of bad luck. This expression refers to the legend that the boxwood tree grows one inch a year, but shrinks back one inch in a leap year; it is used as a metaphor for being stuck or facing misfortune.