concept / idea

eunuch

falling (into a hole) / a sinkhole; a subsidence; a place where the ground has fallen into a hole / falling in battle; capitulation; surrendering / falling in rank or status; demotion

fall, cave in / surrender / be persuaded

monthly publication (such as a magazine)

government service / a government position

the root and the trunk / foundation, basis, root

double doors that open up from the center

execute thoroughly

to execute thoroughly