The pitbull was once known as an overpowered unit but it is no more you can win games by just using the pitbull.

斗牛曾经被公认为是过强的单位，不过现在仅仅依靠斗牛取胜的打法已经威风不再。

youdao

Deirdre said there was no sign of a dog owner, and no collar on the pitbull.

BBC: Cole, a pet labrador

Ireland's Cian Healy, Rory Best and Mike Ross were given a tough afternoon by Italy's pitbull-like props.

BBC: Ireland v France

You know, they say the difference between a hockey mom and a pitbull?

NPR: Political Junkie: Clinton, Lieberman and Holder