knowledge of a subject

career (an individual’s work and life roles over their lifespan)

take place, past, history

deep, profound

不可: impossible / 付加, 附加: addition, annexation / 府下: suburban districts / 孵化: incubation; hatching; eclosion / 負荷: burden, load / 浮華: frivolity / 富家: wealthy family / 鱶: shark / 賦課: levy, imposition

孵化: incubate; hatch; eclose

鬲: a cauldron with three hollow legs used in ancient China / 暦: calendar / 礫: gravel

歴: history

履歴: log; personal background

歴任: hold consecutive jobs