Which has spots, a leopard or a tiger?

有斑点的是豹还是虎？

《牛津词典》

"The leopard cannot change his spots" is just a figure of speech.

“豹子改变不了身上的斑点”是个比喻，指江山易改本性难移。

《柯林斯英汉双解大词典》

Her talent was not in gathering information but in analyzing and assessing, a meticulous organizer who plotted and planned with the cunning of a leopard.

她的才华不在信息收集，而在于分析和评估，她是一个一丝不苟的组织者，像豹子一样狡猾地策划和计划着。

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"They are just making things up and selling their predictions, " Mr. Kengkard, wearing a leopard-skin pattern hat, said in one recent TV appearance.

WSJ: In Thailand, It's Hard to Predict

In 1995 a 14-year-old boy found a leopard skull in a river in Bodmin perhaps lending weight to the beast's existence and its demise.

BBC: Essex lion: Charting the big cats of Britain

On a smaller scale, Shark Multimedia's new Leopard USB modem is a pocket-size external modem that also operates with any H.324 video phone system.

CNN: New modems and related gear debut