extravagant的音標是[?k?str?v?g?nt]，翻譯為“奢侈的；浪費的；過分的”。

速記技巧：extr-av-ag-ant，其中-ant是形容詞后綴。可以想象一個場景：一個人花錢大手大腳，非常奢侈，就是extravagant。

希望以上信息對您有幫助。建議您可以根據發音和詞義進行記憶，或者通過聯想記憶法來加深記憶。

Extravagant這個詞來自拉丁語，意為“過度花費的，浪費的”。它的詞源可以追溯到詞根“extra”和“vagus”，前者表示“超出，額外”，后者表示“游蕩，漫無目的地移動”。

變化形式：在英語中，extravagant的過去式是exubered，過去分詞是exuberant，現在分詞是extravagant，形容詞則有extravagant和exuberant兩種形式。

相關單詞：

1. exuberance（豐富，茂盛）：這個詞由extravagant派生而來，表示豐富、茂盛的狀態。

2. exuberantly（豐富地，茂盛地）：exuberance的副詞形式，用來形容事物豐富、茂盛的程度。

3. exorbitant（過分的）：這個詞表示過度的、不合理的費用或價值。它的詞源與extravagant有相似之處，都表示過度花費或浪費。

4. lavish（慷慨的，大方的）：這個詞表示慷慨地給予或花費，與extravagant有相似的含義。

5. spendthrift（揮霍無度的人）：這個詞表示一個花費過度的人，與extravagant有相同的含義。

6. extravagant_ness（浪費，奢侈）：這是一個名詞形式，用來形容浪費或奢侈的行為或狀態。

7. extravagantly（浪費地，奢侈地）：這是一個副詞形式，用來形容行為或言語的浪費或奢侈性質。

8. unrestrained（無約束的）：這個詞表示不受限制的、放縱的，與extravagant有相似的含義。

9. prodigality（浪費，揮霍）：這個詞表示浪費財物或資源的行為，與extravagant有相似的含義。

10. unbounded（無邊界的）：這個詞表示沒有限制的、無限的，與extravagant有相似的含義，但更強調無限的性質。

常用短語：

1. be extravagant with (someone)

2. extravagant spending

3. extravagant lifestyle

4. extravagant ideas

5. extravagant behavior

6. extravagant claims

7. extravagant promises

例句：

1. He is extravagant with his money, always spending it recklessly.

2. She has an extravagant lifestyle, always buying expensive clothes and jewelry.

3. His extravagant ideas led to financial ruin.

4. His behavior was considered extravagant, with him frequently going out for dinner and drinks with friends.

5. He made extravagant claims about his wealth, but it turned out to be a lie.

6. He promised extravagant gifts to his girlfriend, but never delivered.

英文小作文：

標題：Extravagance and its Impact on Life

Extravagance is a common phenomenon in today"s society, whether it"s spending beyond one"s means, living a luxurious lifestyle, or making excessive promises and claims. Extravagance can have a negative impact on individuals and society as a whole, leading to financial ruin, stress, and dissatisfaction with life.

On the other hand, living within one"s means and being mindful of one"s resources can lead to a more fulfilling life, with less stress and anxiety about finances. It is important to prioritize our goals and needs, while being mindful of our limitations and resources. By doing so, we can live a more fulfilling life, while also contributing to the well-being of ourselves and others around us.