base one’s expenditure upon his income; cut one’s coat according to one’s cloth; keep expenditures within the limits of one’s income;live within one’s means (/income) ❍ 你应该～，大手大脚可不行啊！ You should live within your income. It won’t do if you’re extravagant.
量入为出
keep expenditures within the limits of income;live within one’s means
量入为出liànɡ rù wéi chū
按照收入的多少确定支出的限度。live with in one’s mean, make both ends meet, pay as you go, make backle and tongue meet, keep expenses within one’s income