bǎo​zhèng​shū

written pledge

保证书 保證書 bǎo​zhèng​shū
written pledge
A document or letter that guarantees something will be done, such as a written pledge of conduct or a letter of guarantee.
warranty
A document issued by a manufacturer or merchant guaranteeing the quality of a product or service for a certain period; also called a 保单 bǎo​dān.

Frequency

Movie subtitles
1.04 per million appears in 0% of films
Written text
1.06 per million

Cross-References

Classifier

Same as

Sources