if necessary

if necessary的音标是[ɪf ˈmɪnsɪəli]，基本翻译为“如果需要”，速记技巧可以是：if（如果）+ necessary（必要的）→if necessary（如果需要）。

英文词源：If necessary

词源：if，表示“如果”和necessary，“必要的”结合而成。

变化形式：在词形上没有变化。

相关单词：

1. necessity n. 必要性，必需品；迫切性

2. necessary adj. 必要的，必需的；必然的

3. impossibility n. 不可能，不可能的事

4. impossible adj. 不可能的，做不到的

5. preponderance n. 优势，多数

6. predominant adj. 主要的，占优势的

7. disproportion n. 不成比例，不相称

8. disproportionate adj. 不成比例的，不相称的

9. preponderant adj. 占优势的，比重大

10. predominate v. 支配，在…占主要地位

例句：The teacher said that we must have a thorough discussion if necessary until we reach a consensus. 老师表示如果需要的话，我们必须进行深入的讨论，直到达成共识。

常用短语：

1. if necessary

2. as necessary

3. if required

4. as required

5. as needed

6. when necessary

7. whenever necessary

例句：

1. If necessary, we can provide additional support to ensure the task is completed successfully.

2. You can adjust the settings as necessary to improve the overall performance of the system.

3. When necessary, we can assist you with any technical issues you may be experiencing.

4. As required, please provide us with any additional information that may be helpful in completing your request.

5. We will provide you with whatever assistance is necessary to ensure a smooth transition to our service.

6. You can add more resources as needed to handle the increasing workload.

7. We will always be available whenever necessary to answer any questions or provide any assistance you may require.

英文小作文：

If necessary, we should adjust our schedule to accommodate your needs. We understand that everyone"s schedule is unique and sometimes adjustments need to be made to ensure that everyone is happy and satisfied. We are here to serve you and make sure that your needs are met. Whether it"s a meeting, a dinner, or just a chat, we are always willing to make the effort to accommodate your schedule and ensure a pleasant experience.