An official paper giving authority to receive money, to carry out an arrest, or to represent a principal in a lawsuit.

委任状；授权书；拘票；委托书。

That which vouches for or guarantees anything.

保证；担保品。

Just ground.

正当原因。

A certificate of rank or appointment issued to one of lower rank than a commissioned officer.

【军】下士任命书。

To guarantee; answer for the genuineness or.

担保；保证。

To authorize (a person) to do something.

授权(于人)行事。

To declare as certain.

确认；肯定地说

To give assurance of (the quality of goods sold, the validity of a title, etc.).

【法律】保证(所卖货物之品质，及法律所认可之权利等)。

To make secure.

确保。

To give just ground for or to.

证明；辩明