falling-off的音標是["f??l?? ??t] ，中文翻譯是減少、減少的數量。速記技巧是利用音標記單詞，通過音標記出這個單詞的發音，并記住它。通過這種方法，可以更快速、更準確地記住單詞。

"falling-off"這個詞源可以追溯到拉丁語"fallere"（意為“欺騙”），通過詞根"fall"演變而來。其變化形式包括"fallen"（動詞的過去分詞形式，意為“落下”），"falling"（動詞現在分詞形式，意為“落下，減少”）和"fall"（名詞形式，意為“下降，秋天”）。

相關單詞：

1. "drop"：源自古英語中的"droppa"，意為“落下”。這個詞在現代英語中仍然廣泛使用，表示物體從高處落下或數量減少。

2. "decline"：源自拉丁語"declinare"，意為“下降，衰退”。這個詞在現代英語中仍然廣泛使用，表示數量或地位的減少或下降。

3. "decrease"：源自拉丁語"decrepere"，意為“破裂，減少”。這個詞在現代英語中表示數量或程度減少或降低。

以上三個單詞都與"falling-off"有著密切的聯系，它們都表示數量、程度或地位的減少或下降。此外，"falling-off"還可以引申出其他一些相關詞匯，如"off-season"（淡季）和"off-track"（偏離正軌）等。這些詞匯都與“下降”或“偏離”有關。

總之，"falling-off"這個詞源及其變化形式在英語中有著廣泛的應用，它不僅表示物體從高處落下或數量減少，還可以引申出其他一些相關的詞匯，表達不同的含義。

常用短語：

1. fall off a cliff

2. fall off the edge of the world

3. fall off a log

4. fall off a cliff and hit the ground

5. fall off the face of the earth

6. fall off a bicycle

7. fall off a horse

例句：

1. He fell off a bicycle and broke his arm.

2. She fell off the edge of the world when she lost her job.

3. The company fell off a log after the recession hit.

4. He fell off a cliff and was lucky to survive.

5. She fell off the face of the earth after she moved away.

6. My bike fell off and I couldn"t fix it.

7. He fell off a horse and broke his leg.

英文小作文：

標題：Falling Off the Edge of Life

Life can be like a rollercoaster, full of ups and downs, twists and turns, and sometimes we feel like we"re falling off the edge of the world. But it"s those moments that make life so exciting and unpredictable.

When things seem to be falling apart, remember that it"s only temporary. Life is full of ups and downs, but it"s also full of opportunities and hope. Don"t give up easily, because there"s always something waiting around the corner that will make you smile again.

Life is like falling off a bicycle, you fall, you get up, you try again, and eventually you learn how to ride it better. And when you fall off a horse, you learn to get back on and keep going. So don"t let the small setbacks stop you from pursuing your dreams and goals. Keep going, keep pushing, and remember that life is full of surprises and opportunities waiting to be seized.