guarantee

n.保证;担保;保修单;保用证书;起保证作用的事物

v.保证;担保;保障;提供(产品)保修单(免费掉换或修理有问题的产品);使必然发生;确保

We cannot guarantee adequate supplies of raw materials.

我们不能保证提供充足的原料。

We had to offer our house as a guarantee when getting the loan.

我们在贷款时不得不拿房子作抵押。

I guarantee that he will appear in court.

我保证他会出庭。

Tonight's victory guarantees the team's place in the final.

今晚的胜利确保这个队能进入决赛。