孺

妇孺

fù rú

women and children

妇孺皆知

fù rú jiē zhī

understood by everyone (idiom); well known

孺人

rú rén

(old) wife

孺子

rú zǐ

(literary) child

孺子可教

rú zǐ kě jiào

(idiom) this young person is worth teaching (used to praise sb as promising or capable of being taught)