一年四季

all year round

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

surname Nian

year / CL:個|个[ge4]

grain / harvest (old) / variant of 年[nian2]

four / 4

four seasons, namely: spring 春[chun1], summer 夏[xia4], autumn 秋[qiu1] and winter 冬[dong1]

surname Ji

season / the last month of a season / fourth or youngest amongst brothers / classifier for seasonal crop yields