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filial piety
showing devotion (to someone)
親孝行をして恩返しをしたいと思う。
I want to be filial and repay my parents.
孝行な息子だと近所でも評判になった。
He has a reputation in the neighborhood as a filial son.
親が元気なうちに孝行しておきたい。
I want to be filial while my parents are healthy.