fitly 的音標是 [?f?tl?]，基本翻譯是“合適地；健康地；適合地”。速記技巧可以使用發音類似的單詞來輔助記憶，例如“飛利”，可以理解為“飛利地”或“適合地”。

Fitness是一個形容詞，意為“適合的；健康的；健全的”。它的詞源可以追溯到拉丁語詞根“fit”或“fitness”，意為“適合”。

變化形式：Fitness是一個形容詞，其名詞形式為Fitness。

相關單詞：

1. Fit：原形，意為“適合的；健康的；健全的”。

2. Healthy：詞源同fit，意為“健康的；健全的”。

3. Fittest：fit的最高級，意為“最適合的；最健壯的”。

4. Unfit：fit的反義詞，意為“不適合的；不健康的”。

5. Physical fitness：身體健壯，意為“身體健康”。

6. Mental fitness：心智健壯，意為“心理健康”。

7. Fitter：fit的比較級，意為“更健康的；更強壯的”。

8. Healthy lifestyle：健康的生活方式，與fitness有密切關系。

9. Fittest athlete：最健壯的運動員，fittest的名詞形式。

10. Fit for work：適合工作的狀態，fit的名詞形式，表示健康的狀態。

以上這些單詞都與fitness有密切關系，它們在英語中廣泛使用，表達了健康、適合、健全等含義。同時，這些單詞也反映了英語詞匯的多樣性和變化性。

常用短語：

1. fit in (with) 適應

例句：She quickly fit in with the local customs.

2. fit out 裝備

例句：The ship was fitted out with all the latest equipment.

3. fit for (sth) 適合于

例句：He is fit for the job.

4. fit into (sth) 適合于

例句：The new design fits into the building.

5. be fit to do sth 適合做某事

例句：He is fit to be a doctor.

6. be out of shape 不健康

例句：He is out of shape because he doesn"t exercise regularly.

7. be in good shape 健康

例句：She is in good shape and loves to exercise regularly.

英文小作文：

I like to exercise regularly because it makes me feel fit and healthy. I enjoy going to the gym and lifting weights because it helps me build muscle and improve my strength. At the same time, it also helps me stay in shape and avoid getting out of shape. I believe that being fit and healthy is important for our overall well-being and longevity. It also helps us to be more active and energetic, which can improve our mood and overall quality of life. I think it"s important to take care of our bodies and make sure we are doing what we can to stay healthy and fit.