falling-out的音標為["f??l?? a?t] ，意思是爭吵或不和。

速記技巧：可以將這個單詞分解為“f”和“a”等字母，并嘗試記住這個單詞與“下降”或“分開”等含義相關。

"falling-out"這個詞在英語中通常指的是爭吵或不和。這個詞的詞源可以追溯到古英語，它由兩個部分組成： "fall"（落下）和 "out"（出來）。這個詞的變化形式包括過去式 "fell out"，過去分詞 "fallen out"，現在分詞 "falling out" 等。

相關單詞：

1. "dispute"：這個詞與 "falling-out" 有著相似的含義，都指爭吵或爭論。它的詞源可以追溯到拉丁語，意為 "to draw apart" 或 "to separate"，后來引申為爭論或爭吵的含義。

2. "quarrel"：這個詞的含義與 "falling-out" 相似，都指爭吵或不和。它的詞源可以追溯到古英語，意為 "to quarrel with"，即與某人爭吵。

3. "argument"：這個詞意為爭論或辯論，它的詞源可以追溯到拉丁語，意為 "to argue"。

4. "conflict"：這個詞意為沖突或爭斗，它的詞源可以追溯到拉丁語，意為 "to come into opposition"。

5. "estrangement"：這個詞意為疏遠或分離，它的詞源可以追溯到拉丁語，意為 "to become estranged"。

6. "rivalry"：這個詞意為競爭或對抗，它的詞源可以追溯到拉丁語，意為 "to compete"。

7. "contention"：這個詞意為爭論或爭議，它的詞源可以追溯到拉丁語，意為 "to dispute"。

8. "disagreement"：這個詞意為不同意或不一致，它的詞源與 "falling-out" 相同，都來自古英語。

9. "estrust"：這個詞是一個合成詞，由 "estrangement" 和 "trust" 組成，意為信任的喪失或破裂。

10. "friction"：這個詞意為摩擦或沖突，它的詞源可以追溯到拉丁語，意為 "to rub"。

常用短語：

1. fall out with

2. fall out over

3. fall out of favor

4. fall out of use

5. fall out of fashion

6. fall out of favor with

7. fall out of favor

例句：

1. They fell out with their friends over a trivial matter.

2. The news fell out that the company was going bankrupt.

3. She fell out of favor with her boss after she made a mistake.

4. The phrase has fallen out of use in modern English.

5. The old fashioned dress fell out of fashion with the younger generation.

6. The movie fell out badly at the box office.

7. The book fell out of favor after it was criticized by some critics.

英文小作文：

標題：The Fallout of a Decision

Once there was a time when I made a decision that changed my life forever. It was a decision that I thought was right at the time, but it had unexpected consequences that affected my relationships, career, and personal life.

I fell out with my friends over a disagreement about politics, and I lost favor with my boss when I made a mistake at work. These events left me feeling lost and alone, and I realized that my decision had not only affected my immediate relationships, but also my long-term goals and aspirations.

Looking back, I realize that every decision we make has some kind of fallout, whether it"s positive or negative. But it"s how we handle the fallout that determines our growth and development as a person. I"ve learned that it"s important to be open and honest about our mistakes, apologize when necessary, and try to learn from our experiences to avoid making the same mistakes again in the future.