to repay a kindness many times over (from the saying 滴水之恩,當湧泉相報|滴水之恩,当涌泉相报[di1 shui3 zhi1 en1 , dang1 yong3 quan2 xiang1 bao4])
trad. 涌泉相報
Also written 涌泉相報【yǒng quán xiāng bào】
to repay a kindness many times over (from the saying 滴水之恩,當湧泉相報|滴水之恩,当涌泉相报[di1 shui3 zhi1 en1 , dang1 yong3 quan2 xiang1 bao4])
trad. 涌泉相報
Also written 涌泉相報【yǒng quán xiāng bào】