Johnny-on-the-spotˌJohnny-on-the-ˈspot noun [singular] 
informal someone who immediately offers to help, takes an opportunity etc
informal someone who immediately offers to help, takes an opportunity etc首页 英汉 汉英 英英 词组 用法 例句 同义词 写作 俚语 缩写 词源 词根 法汉 德汉 日汉 俄汉 韩汉 西汉 意汉 泰汉 越汉
| 单词 | Johnny-on-the-spot |
| 释义 | Johnny-on-the-spotˌJohnny-on-the-ˈspot noun [singular] informal someone who immediately offers to help, takes an opportunity etc |
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