top dog

US /tɑp dɔɡ/
UK /tɑp dɔɡ/
"top dog" picture
1.

掌权者, 领导者, 老大

the most important or powerful person in a group or organization

:
After years of hard work, he finally became the top dog at the company.
经过多年的努力,他终于成为了公司的掌权者
Everyone wants to be the top dog, but few have what it takes.
每个人都想成为领导者,但很少有人具备这个能力。