guaranties的音標是[?gr?nt??z]，基本翻譯是“保證；擔保；擔保書”。速記技巧是將其分解為輔音字母組合，并用簡單的符號或縮寫來表示。例如，可以將“gr”簡化為“g-r”，將“ant”簡化為“a-nt”，最后用簡單的符號或縮寫來表示整個單詞。此外，還可以使用記憶法來幫助記憶單詞。

Guarantee的英文詞源為拉丁語“guardare”，意為“保護，維護”。其變化形式包括：

1. Guaranteed：由guaranty（保證）和-ed（過去分詞詞尾）構成，表示“保證的，擔保的”。

2. Guarantor：擔保人，保證人。

3. Guaranty：擔保，保證，表示為某事提供保障或擔保。

相關單詞包括：

1. Guaranteed payment order：保付支票，銀行開出的保證付款的支票。

2. Guaranteed letter of credit：保付信用證，銀行開出的保證付款的信用證。

3. Guaranty fund：保證金，為保證某項交易或合同的履行而設立的資金。

4. Guarantee policy：保險單，提供某種保障或保證的保險合同。

5. Guarantee letter：保證書，表示某人對某事提供保證或擔保的信件。

Guarantee這個詞在金融、商業和法律領域廣泛應用，表示為某事提供保障或擔保的行為。

常用短語：

1. guarantee of quality

2. guarantee of performance

3. financial guarantee

4. performance guarantee

5. guarantor

6. guarantor"s obligation

7. guarantor"s liability

例句：

1. The seller guarantees the quality of the goods.

2. The bank provided a financial guarantee for the project.

3. The government is responsible for guaranteeing public safety.

4. The contractor must provide a performance guarantee to cover any unpaid work.

5. The guarantor will be responsible for any losses incurred if the contract is not fulfilled.

6. The guarantor"s obligation is to ensure that the contract is fulfilled as agreed.

7. The seller"s failure to deliver the goods on time constitutes a breach of the seller"s guarantor"s obligation.

英文小作文：

Guarantees are an essential part of any business transaction, ensuring that both parties are protected and their expectations are met. From financial guarantees to performance guarantees, they play a crucial role in ensuring that contracts are fulfilled as agreed and that obligations are met. However, it is important to carefully assess the type and amount of guarantee required, taking into account the risks and responsibilities involved. At the same time, it is essential to have a clear understanding of the guarantor"s obligations and liabilities, as they can have a significant impact on the success of a business deal.