入ㄖㄨˋrù不ㄅㄨˋbù敷ㄈㄨfū出ㄔㄨchū

收入少而支出多。《清史稿·卷四四八·邊寶泉傳》：「入不敷出，一時強為彌補，後將何所取償？」也作「入不支出」。反綽綽有餘

英income does not cover expenditure, unable to make ends meet