1. 硬幣 A coin is a small piece of metal which is used as money.
e.g. ...50 pence coins. 50便士的硬幣 e.g. ...Frederick's gold coin collection. 弗雷德里克收藏的金幣
2. 新造，杜撰(單詞、短語) If you coin a word or a phrase, you are the first person to say it.
e.g. Jaron Lanier coined the term 'virtual reality' and pioneered its early development... 杰倫·拉尼爾創造了“虛擬現實”這個詞，并成為推動其早期發展的先驅人物。 e.g. The word 'lunatic' was coined to describe people who went mad at the full moon. lunatic是個生造詞，用來形容月圓時發瘋的人。
3. 暴富;很快地賺(錢) If you say that someone is coining it or is coining money, you are emphasizing that they are making a lot of money very quickly, often without really earning it.
e.g. Many private colleges are coining it... 很多私立大學正在大發其財。 e.g. One wine shop is coining money selling Wembley-label champagne. 一家葡萄酒商店正在靠出售威麗牌子的香檳大把大把賺錢。
4. 用個雙關語;套用句老話 You say 'to coin a phrase' to show that you realize you are making a pun or using a cliché
coin的反義詞
e.g. Fifty local musicians have, to coin a phrase, banded together to form the Jazz Umbrella. 50名當地的音樂家，用個雙關詞，“聯合起來”（band亦有“樂隊”之意）組成了“爵士樂大聯盟”。
5. 情況的另一面 You use the other side of the coin to mention a different aspect of a situation.
coin
e.g. These findings are a reminder that low pay is the other side of the coin of falling unemployment. 這些研究結果提醒人們，失業率下降的另一面是低薪。
6. 一個問題的兩方面 If you say that two things are two sides of the same coin, you mean that they are different ways of looking at or dealing with the same situation.
e.g. The minister reportedly stressed that economic and political reforms were two sides of the same coin. 據報道，部長強調經濟改革和政治改革是一個問題的兩個方面。
coin英英釋義
noun
1. a flat metal piece (usually a disc) used as money