一日三餐

to have three meals a day

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

abbr. for 日本[Ri4 ben3], Japan

sun / day / date, day of the month

three / 3

meal / to eat / classifier for meals