4 sentences

1. 这笔贷款的还款期限是五年。

   zhè bǐ dài​kuǎn de huán​kuǎn qī​xiàn shì wǔ nián.

   The repayment period for this loan is five years.

   Source: Dong Chinese Dictionary

2. 这笔房贷的还款年限是二十年。

   zhè bǐ fáng​dài de huán​kuǎn nián​xiàn shì èr​shí nián.

   The repayment period for this mortgage is twenty years.

   Source: Dong Chinese Dictionary

3. 您的还款已经逾期，请尽快处理。

   nín de huán​kuǎn yǐ​jīng yú​qī, qǐng jǐn​kuài chǔ​lǐ.

   Your payment is overdue; please handle it as soon as possible.

   Source: Dong Chinese Dictionary

4. 由于多次逾期还款，他的信用受到了影响。

   yóu​yú duō cì yú​qī huán​kuǎn, tā de xìn​yòng shòu​dào le yǐng​xiǎng.

   His credit has been affected due to several late repayments.

   Source: Dong Chinese Dictionary