Murray is a judo black belt.

默里是一名黑带级柔道选手。

He holds a black belt in karate.

他在空手道中得了黑带。

She's a black belt in judo.

她是柔道黑带高手。

He was also a black belt in judo.

他还是一名柔道黑带。

I'll have you know. I'm a black belt in judo.

我要让你知道，我是柔道黑带。