| 单词 | top dog |
| 释义 | top dog —top-dog, adj. 1. a person, group, or nation that has acquired a position of highest authority. 2. the winner of a competition or rivalry; champion: He was determined to be top dog at the swimming meet. 3. Animal Behav. the alpha male or alpha female in a dominance hierarchy. [1885-1900] |
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