transition period between dynasties; an interregnum[cedict]
岁
suìㄙㄨㄟˋ
year; years old; classifier for years old[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
庚子
gēng zǐㄍㄥ ㄗˇ
thirty seventh year G1 of the 60 year cycle, e.g. 1960 or 2020; cf 庚子國變|庚子国变, the crisis year of 1900 involving the Boxer uprising and the eight nation military invasion[cedict]