担保

我可以为他担保

wǒ kěyǐ wèi tā dānbǎo

I can vouch for him

银行要求担保人

yínháng yāoqiú dānbǎorén

The bank requires a guarantor

这笔贷款需要担保

zhè bǐ dàikuǎn xūyào dānbǎo

This loan needs a guarantor