欠债的英语是in debt。in debt相关的短语有be in debt;run into debt;owe a debt:欠别人的钱。debt due;outstanding accounts:所欠的债。Wage arrears:拖欠工资。Under consideration:欠考虑。national debt:国债。be out of debt:还清欠款。get into debt:债务缠身。
他曾是个天生的说谎者并经常欠债。He was a congenital liar and usually in debt.
他欠债之多让我们震惊。We were shocked at the size of his debts.