Robinson smiles, as if to admit the absurdity of a man jumping into a bear fight. But in his eyes there's a hint that he might have done it.

罗宾逊满脸的笑容，好像承认了人类竟然参加狗熊的混战是多么的荒谬，但在他的眼神中，我分明看到他好像确实参与了战斗。