Jon: A mouse! Get itT!
Jon: Garfield! You didn't even try!
Garfield: Show me a good mouse, and I'll show you a cat with bad breath.
even adv.甚至；连
Even now it is not too late.
就是现在也不太迟。
try vt. 尝试
He tried to climb the tree, but he could not.
他试图爬树，可爬不上去。
show sb sth. 将某物展示给某人
He showed me his pictures.
他把他的图画给我看。
bad breath 口臭
【参考译文】
乔恩:老鼠，快抓住它。
乔恩:加菲!抓老鼠你都没试下！
加菲:给我一只像样的老鼠，我会向你展示有口臭的猫会如何做。