后继有人

to have qualified successors to carry on one's undertaking

empress / queen / (archaic) monarch / ruler

back / behind / rear / afterwards / after / later / post-

to continue / to follow after / to go on with / to succeed / to inherit / then / afterwards

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

someone / people / anyone / there is someone there / occupied (as in restroom)

person; people / CL:個|个[ge4],位[wei4]