top dog
idiomPart ofdog
top dog — idiom
1. the person who is the most important, powerful, or successful in a group.
1.慣用語
釋義
the person who is the most important, powerful, or successful in a group.
例句
After years of hard work, Sofia became the top dog in the company's marketing department.
In the world of smartphones, one brand has been the top dog for nearly a decade.