他们不能按时偿还抵押贷款。用英语怎么说？

他们不能按时偿还抵押贷款。

They were unable to meet their mortgage repayments...

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

unable

adj. 不能的，不会的，无能力的，不熟练的，不能胜任的，〈罕，诗〉弱，无力的；

例句
The child was unable to offer an articulate description of what she had witnessed.
孩子无法对她所目睹的事情作出清楚的描述。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

meet

vt.& vi. 相遇，相识，开会，接触（某物）；vt. 满足，支付，迎接，经历（常指不愉快的事）；n. 运动会，体育比赛，猎狐运动（尤其英式英语）；adj. 适当的，合适的，恰当的；

例句
The Council will meet to decide if it should accept his resignation.
委员会将召开会议决定是否接受他的辞呈。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

mortgage

n. 抵押，抵押单据，抵押证明，抵押权，债权；vt. 抵

例句
...increases in mortgage delinquency rates.
抵押贷款拖欠率的上升

repayments

n. 偿还，报答，偿付的钱物( repayment的名词复数 )；

例句
With a conventional repayment mortgage, the repayments consist of both capital and interest.
常规的按揭还款额既包含本金也包括利息。