first off音標(biāo)為["f?rst ?f]，基本翻譯為“首先；起初；第一”，速記技巧為“/f/ /??/ /st/ /?v/”。

First off 的英文詞源是 first，表示“第一”或“最初的”。它的變化形式主要有復(fù)數(shù)形式 firsts，過去式 firsted 和過去分詞 firsted。

相關(guān)單詞：

1. First name - 名字 - 通常用作一個(gè)人的名字，是 first 的名詞形式。

2. First class - 一等艙/一等車廂 - 源自 first，表示等級最高的艙位或車廂。

3. First rate - 一流的，優(yōu)秀的 - 源自 first，表示等級或質(zhì)量最高的。

4. First time - 第一次 - 源自 first，表示第一次做某事。

5. First aid - 急救 - 源自 first，表示在緊急情況下采取的初步措施。

first off 在實(shí)際使用中，通常作為副詞使用，表示首先，先開始的意思。它的使用頻率相對較低，但在某些語境下可以起到強(qiáng)調(diào)或突出作用。

以上內(nèi)容僅供參考，建議查閱相關(guān)單詞的英文詞典獲取更準(zhǔn)確的信息。

常用短語：

1. first and foremost

2. first off

3. at first sight

4. to start with

5. in the first place

6. first rate

7. in the first instance

例句：

1. First and foremost, we should respect others and ourselves.

2. First off, we need to take a deep breath before we speak.

3. At first sight, she didn"t seem like the type to succeed.

4. To start with, we need to plan our work and organize our resources.

5. In the first place, we should always remember our friends and family.

6. She is a first rate athlete who always strives for excellence.

7. In the first instance, we should seek advice from experts before making a decision.

英文小作文：

The Importance of Being First

In life, there are many opportunities to be number one or to be the best. Being first can bring with it a sense of pride and accomplishment, but it can also bring with it challenges and responsibilities. First, being first requires a strong determination and perseverance, as it is not always easy to maintain your position as the top performer. Second, being first requires a strong work ethic and dedication to excellence, as it is not enough to just show up and hope for the best. Finally, being first requires a strong sense of self-confidence and self-esteem, as it is essential to believe in your abilities and know that you are capable of achieving your goals. In conclusion, being first is not just about being the best, it is about being the best you can be and always striving for improvement and excellence.