Top dog
01
トップ, 一番犬
a person who holds the highest rank in a particular group or organization
Idiom
Informal
例
By the time they realized they were n't the top dog anymore, it was too late to catch up.
彼らがもうトップドッグではないと気づいたときには、追いつくには遅すぎた。
He 's the top dog in the company and has a lot of influence over its direction.
彼は会社のトップで、その方向性に大きな影響力を持っています。
