【形式ばった表現】 filial piety [duty]
孝行する[である]
be dutiful to [thoughtful about] one's parents
a son who is devoted to his parents.
読み方 こうこう
Filial piety; filial duty; obedience to one's parents:(=する) to be dutiful to (one's parents); to be obedient to (one's parents); to be a good son (or a good daughter); to discharge one's filial duties