一日不見，如隔三秋

one day apart seems like three years (idiom)

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

no; not so / (bound form) not; un-

not to see / not to meet / to have disappeared / to be missing

to see / to meet / to appear (to be sth) / to interview / opinion / view

to appear / also written 現|现[xian4]

as / as if / such as

to separate / to partition / to stand or lie between / at a distance from / after or at an interval of

three / 3

autumn / fall / harvest time

old variant of 秋[qiu1]

see 鞦韆|秋千[qiu1 qian1]