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Fidley這個詞的英文詞源可以追溯到古英語中的“fīdel”或“fīdelī”，意為“忠誠、誠實”。它的變化形式包括復數形式“fīdelīe”和過去式“fīdelī”等。

相關單詞：

fidelity：意為“忠誠、忠實”，來源于此詞的詞根，表示對某物的忠誠和忠實。

faithful：意為“忠誠的、忠實的”，也是由這個詞根派生而來，表示對某人的忠誠和信任。

faith：意為“信仰、信任”，也與這個詞根有關，表示對某物的信仰和信任。

此外，還有以下單詞也與這個詞源有關：

fidelity bond：忠誠保證書

fidelity insurance：忠誠保險

faithfulness：忠誠度

faithfully：忠誠地

fidelite：忠誠元素

總之，Fidley這個詞源在英語中具有豐富的含義和廣泛的應用，與忠誠、誠實等價值觀密切相關。

常用短語：

1. by the way

2. in a word

3. on the one hand...on the other hand

4. as far as I"m concerned

5. the key to...

6. the best/worst of both worlds

7. it doesn"t take much

例句：

1. "By the way, where did you go for your vacation?"

2. "In a word, she"s very determined."

3. "On the one hand, I love my job, on the other hand, it can be tough."

4. "As far as I"m concerned, education is the key to success."

5. "The best part of this job is getting to see the world, but the worst part is dealing with all the bureaucracy."

6. "It doesn"t take much to make me happy - a little time with my family and friends is all I need."

英文小作文：

When it comes to success, everyone has their own definition. For me, it"s about finding balance between work and personal life, and being able to enjoy both the highs and lows of life. However, success also requires hard work and dedication, and it"s important to remember that it doesn"t take much to make us happy. Whether it"s a little time with my family and friends, or simply taking a moment to appreciate the beauty of nature, these simple pleasures can bring me joy and satisfaction. In conclusion, success is about finding what works for you, and remembering that it doesn"t take much to make you happy.