fortuitously的音標是[?f??t??u?t??sli]，基本翻譯是“偶然地”，速記技巧是：fortuitous/f??t??u?t??s/，f??諧音“佛”，tuit諧音“脫”，tious/??s/諧音“脫衣”，連起來就是“佛脫衣”，表示偶然的。

Fortuitously這個詞來源于拉丁語，意為“偶然地，意外地”。它的變化形式主要有復數形式fortuitous，過去式和過去分詞形式fortuitously，以及現在分詞形式fortuitously。

相關單詞：

1. Chance - 意為“機會，可能性”，與fortuitously意思相近。

2. Accident - 意為“意外事件，事故”，與fortuitously都含有“意外”的含義。

3. Happen - 意為“發生，出現”，表示事情的發生是偶然的。

4. Fortune - 意為“運氣，命運”，與fortuitous有相似含義，但更強調結果。

5. Coincidence - 意為“巧合，一致”，表示兩個或多個事件同時發生，且看似有某種聯系。

6. Randomly - 意為“隨意地，偶然地”，與fortuitously意思相反。

7. Fortunate - 意為“幸運的”，與fortuity意思相反，表示一種好運或好結果。

8. Unexpectedly - 意為“出乎意料地”，與fortuitously都含有“意外”的含義，但語氣更加強烈。

9. Random - 意為“隨機的，任意的”，與randomly意思相近，但更強調無目的性。

10. Fortuitousness - 意為“偶然性，意外性”，是一個抽象名詞，用于描述fortuitously這個概念的本質。

以上單詞都與fortuitously的詞源和含義相關，描述了各種不同情況下事情的發生或結果。

常用短語：

1. fortuitously meet

2. by chance

3. unexpectedly

4. happen by accident

5. by luck

6. by the grace of fate

7. chance encounter

雙語例句：

1. We fortuitously met on the street and chatted for a while.

2. I happened to be in the area when the accident occurred.

3. By chance, I found the book I was looking for in a second-hand store.

4. Our team was able to avoid disaster by accidently winning the game.

5. She was saved by the grace of fate when she fell into the river.

6. We had a chance encounter with a long-lost friend at the party.

英文小作文：

Today, I was fortunate enough to have a chance encounter with an old friend whom I hadn"t seen for years. We were both at the same party and unexpectedly ran into each other in the crowd. It was a wonderful moment for both of us, as we reminisced about old times and shared our current lives. Although we didn"t stay long together, it was a fortuitous reminder of the importance of maintaining friendships over time. I hope to see him again soon and continue our conversation about life and experiences.