1filial
2dutiful
3devoted to one's parents (and grandparents etc)
4to show filial piety towards (an older family member)
5filial piety
Example
shì世shàng上yǒu有liǎng两jiàn件shì事bù不néng能děng等：yī一、xiào shùn孝顺èr二、xíng shàn行善。
世上有两件事不能等：一、孝顺二、行善。
There are two things in the world that cannot wait: 1. Filial piety, 2. Doing good.