1.顶钩
2.胜利者;夺魁者
3.主要人物;
4.当权派;头儿 top dog (俚语名词):One considered to have the dominant position or highest authority, especially as a result of a competitive victory.
权威:被认为具有统治地位或最高权威的人,特别是指经过竞争取胜后夺得此地位的人
参考例句
I hope you will be topdog in your profession. 我希望你能成为业界出类拔萃的人物