This silver dollar is the real McCoy.
这枚银币是纯银得。

Careful how you handle that gun. It's the real McCoy.
你摆弄那支枪可要当心。那是真枪啊。

And in the fifth grade, the fastest runner was Ronnie McCoy.
而五年级的时候，我们班的飞毛腿是罗尼。麦克莱。

Marathons are the real McCoy these little jogs are no challenge at all.
马拉松赛跑才是真玩意儿这些慢跑根本不算回事。

Kid McCoy, distinguished US boxer, was once harangued and challenged to a fight by a drunk.
美国著名拳师麦科伊小子有一次被个醉汉喝骂并且挑战。

Jinchang Art Gallery ensures all the works they sell Real McCoy, and issues the fidelity certificate to the buyers.
锦昌画馆所售作品一律保真，并签发保真证书。