The tiger prowled through the undergrowth.老虎悄然穿过矮树丛。Which has spots, the leopard or the tiger?有斑点的是豹还是虎？She fought like a tiger to be able to keep her children.她勇猛搏斗，以便能保住她的孩子。...
Buck up your ideas or you'll get more of the same treatment.打起精神来，否则你会吃更多苦头。People are saying if we don't buck up we'll be in trouble.人们说，如果我们再不积极行动起来，我们就会有麻烦。Hurry [ Buck ] up or we will miss the train.快点...