To attend upon and care for one's parents, especially in their old age, demonstrating filial piety; to serve and please one's parents.
小明长大后，一直很孝顺，尽心尽力地承欢膝下，照顾年迈的父母。
After growing up, Xiao Ming has always been very filial, diligently attending upon and pleasing his aged parents.
Next Idiom