act like a tiger的翻译是像老虎一样表演。
act的意思是表演，tiger的意思是老虎，该句的意思即为像老虎一样表演。老虎是典型的山地林栖动物，由南方的热带雨林、常绿阔叶林，以至北方的落叶阔叶林和针阔叶混交林，都能很好的生活。虎常单独活动，只有在繁殖季节雌雄才在一起生活。无固定巢穴，多在山林间游荡寻食。能游泳。虎多黄昏活动，白天多潜伏休息，没有惊动则很少出来。
虎的活动范围较大，在北方日寻食活动范围可达数十公里；在南方因食物较多则活动距离较短。虎的体态雄伟强壮高大，毛色绮丽，从北而南呈黄色到红色渐变，有深色条纹。头圆，吻宽，眼大，嘴边长着白色间有黑色的硬须，长达15厘米左右。颈部粗而短，几乎与肩部同宽，肩部、胸部、腹部和臀部均较窄，呈侧扁状，四肢强健，犬齿和爪极为锋利。
例句：
1、The panda is often called a living fossil, having inhabited the planet since the days of the saber-toothed tiger.（熊猫常被称作活化石，其栖息足迹可追溯到剑齿虎的时代。）
2、The woody tiger was vivid and vigorous as if it was ready to jump up to bite.（这只木雕的虎，看起来神气活现，好像随时都会跳出来咬人似的。）
3、As he crossed the stream by Hou's farm and climbed the hill on the far side, a tiger came rushing out of the forest and pounced at him.（正当他跨越过侯家田地的小溪，爬上远处的小山时，一只老虎从树林里冲出来，扑向他。）
4、With its thick armour and a version of the dreaded 88-mm AAi'anti-tank gun, the PzKpfw VI Tiger was an outstandingly powerful design.（拥有厚实的装甲和可怕的反坦克炮，虎式坦克当时可是一件杰出的威力十足的设计。）
5、Tiger always bullies small animals. His teeth are very sharp. Therefore, the forest animals are afraid of him very much.（老虎总是欺负森林里的小动物。他的牙齿特别锋利。因此，动物们非常害怕他。）
6、The announcement from Tiger Woods has confirmed growing speculation that he was ready to end his self imposed exile from competitive golf.（各方不断猜测，泰格·伍兹准备结束从高尔夫比赛中的自我放逐，他的宣布证实了这种说法。）
7、Still, with its listing priced at the bottom of the indicative price range, this tiger's roar is going to be on the muted side.（话虽如此，但鉴于大唐新能源的发行价位于其指导价格区间低端，这只老虎的振山之吼将会暗哑无声。）
8、If I could introduce a lion cub into a tiger litter I would surely be able to introduce tiger cubs.（如果我能介绍的狮子幼崽变成老虎垃圾我想一定能够引进幼虎。）