截ㄐㄧㄝˊjié長ㄔㄤˊcháng補ㄅㄨˇbǔ短ㄉㄨㄢˇduǎn

取有餘以補不足。《醒世姻緣傳·第六一回》：「一日或賺一兩二兩，五錢七錢，陰雨風晴，截長補短的算來，每日一兩是穩穩有的。」也作「絕長補短」。似移多補少、移東補西

閩掠長補短

英take from the long to supplement the short (idiom), to offset each other's deficiencies, to complement each other