Tā shēnqǐng le yī bǐ dà'é dàikuǎn lái gòumǎi xīn fáng.
He applied for a large loan to buy a new house.
Tips
usage
大额 is most commonly used in financial contexts: 大额存款 (large-sum deposit), 大额转账 (large wire transfer), 大额贷款 (large loan). The threshold for what counts as 大额 in Chinese banking regulations is typically 50,000 RMB or more.