The state or quality of being safe or protected; freedom from fear or danger; assurance; certainty.

安全；安稳；确定；确实。

That which guarantees safety or protection.

保障安全之事物。

Something given to guarantee the fulfillment of a contract, payment of a debt, etc.; pledge; surety; backing.

(契约、价值等之)担保物；抵押品；保证物。

Evidence of debt or ownership, as stocks, notes, bonds, etc.

证券；债券。

One who becomes responsible for another.

担保人；保证人。