反哺 [fǎn bǔ]
1 鸟雏长大,衔食哺其母。后用以比喻报答父母。
例 雏既壮而能飞兮,乃衔食而反哺。——《初学记·鸟赋》
英 when a little bird grows up,it feed food to its mother;
1 乌雏长成,衔食喂养其母。后比喻报答亲恩。
1 乌鸦长大后,会啣食喂养母乌鸦。比喻子女成长后奉养父母,报答亲恩。
英语 to support one's parents in their old age, to show filial piety, to to repay, to return a favor