tā / wú lì / cháng huán / zhài wù / zhǐ hǎo / yǐ shēn dǐ zhài / zài / zhài zhǔ / jiā / gàn huó

他无力偿还债务，只好以身抵债，在债主家干活。

He could not repay his debt, so he had to settle it by working at the creditor's home.