feel free的音標是[fi?l fre?]，基本翻譯是“別客氣；隨便”，速記技巧是：feel感覺，free自由的。

feel free 的詞源：

feel：感覺，感受

free：自由的

feel free 的含義：請隨意，請隨便。

feel free 的變化形式：

feel（動詞原形）→ felt（過去式）→ feeling（現在分詞）

相關單詞：

1. freedom：自由

2. unfree：不自由的

3. freewheel：自由行駛

4. freeways：高速公路

5. unfreedom：不自由的狀態

6. unfreely：不自由地

7. freer：更自由的

8. freeriding：自由行駛（汽車）

9. unfreely（副詞）自由地，無拘束地

10. freedom fighter：自由戰士

例句：I feel free to speak my mind in front of you. 在你面前我感到可以暢所欲言。

常用短語：

1. feel free to 隨意，請

2. feel comfortable to do 感覺舒服做某事

3. feel like doing 想做某事

4. feel sorry for 為...感到難過

5. feel about 對...有感覺

6. feel confident about 對...有自信

7. feel at ease 感到自在

例句：

1. Please feel free to ask any questions.

2. I feel comfortable about expressing my opinion.

3. I don"t feel like going out in the rain today.

4. I feel sorry for those who lost their homes in the flood.

5. I feel about my new car, it"s a dream come true.

6. I feel confident about passing the exam.

7. Please feel at ease during your stay here.

英文小作文：

Today, I am feeling very confident about my ability to complete a challenging task. I am feeling comfortable with the knowledge and skills that I have acquired throughout my education and work experience. However, I am also aware of the potential challenges that lie ahead, and I am prepared to address them head on. I am confident that with the right attitude and effort, I will be able to achieve my goals and make a positive impact on the world around me.