They growl and show their teeth, but they like it.

他们咆哮并露出牙齿， 但他们喜欢这样。

They show their teeth when they become angry.

他们生气时会露出牙齿。

They are now showing their teeth, but one day they shall dance like tame bears to the tune we play.

他们现在露出牙齿， 但总有一天他们会像驯服的熊一样随着我们演奏的曲子跳舞。

They had crept in while Buck and Spitz were fighting, and when the two men sprang among them with stout clubs they showed their teeth and fought back.

它们趁巴克和斯匹次打架的时候溜进了营地, 而且在那两个人挥舞大棒冲进它们当中的时候, 它们居然还张牙舞爪进行反扑。