[] money that sb/sth owes that they should have paid earlier欠款◆rent/tax arrears拖欠的租金／税款◆The airline has now paid its arrears in landing fees.航空公司现在已支付了拖欠的着陆费。◆The country has accumulated debt arrears of $715 million.国家累计拖欠债务达 7.15 亿元。●be in arrears (with sth)●fall/get into arrears (with sth)to be late in paying money that you owe逾期未付；拖欠◆Wages are already more than two months in arrears.工资已经拖欠了两个多月。◆The tenant fell into arrears with the rent.租客拖欠租金。● in arrearsafter the time that work is done, items supplied, etc.后付；拖欠◆Passengers pay in advance, but the holiday company pays its suppliers in arrears.乘客预付给旅行社，而旅行社后付给供应商。OPPin advance at advance