There are multiple definitions - click on the translation that matches your context.

保证

名词

full

guaranty

noun

Definitions of guaranty

English

(of a consumer good) a document provided by a manufacturer saying that the good will be repaired or replaced if it stops working within a certain period of time

The guaranty does not cover your phone for water damage.

English

a formal promise by a guarantor to a creditor to accept the responsibility for the principal debtor's debt if that person cannot pay it; a collateral agreement for the performance of another party's promise

The parent company issued a guaranty on behalf of its subsidiary.

English

a promise that something will be done

Can you provide a clear guaranty that action will be taken following the report's publication?