guarantee

过去式：

动词过去式: guaranteed

更多词形：

动词过去式: guaranteed | 动词过去分词: guaranteed | 动词现在分词: guaranteeing | 动词第三人称单数: guarantees |

单词例句：

Who can guarantee that his story is true?

谁能保证他的话是真的呢?

We guarantee the fastness of these dyes.

我们担保这些染料不褪色。

I can offer my land as a guarantee.

我可拿出我的地产作抵押品。

Blue skies are not always a guarantee of fine weather.

蔚兰的天空并不永远保证晴朗的天气。

Goods are sold with money-back guarantee.

售出商品质量不符保证退款。

Lack of interest is a guarantee of failure.

缺乏兴趣肯定会导致失败

We cannot guarantee the punctual arrival of trains in fogy weather.

雾天我们不能保证火车准时到达。

The typewriter is sold with a two years guarantee.

打字机出售，有两年的担保。

You have my guarantee that I'll finish the job on time.

我向你保证按时完成工作。