piranha

This African fish is often compared to the piranha, as it's aggressive and uses its razor-filled jaws to tear its prey into pieces.

人们常将这种非洲鱼与水虎鱼相比较，因为虎鱼进攻性强，用插满刀片的嘴把猎物撕成碎片。

Piranha fish live in the lakes, and electric eels.

湖里有水虎鱼, 还有电鳗.

It was the museum's third Art& Film Gala, and Mrs. Chow, a host with Leonardo DiCaprio, was working the room like a piranha in a goldfish bowl.

那是博物馆的第三次艺术与电影盛典（Art&Film Gala）。周女士在屋子里走来走去，就像食人鱼在金鱼缸里游泳。她和莱昂纳多·迪卡普里奥（Leonardo DiCaprio）一起担任活动的主持。

So while piranha may not win your hearts with cuddly good looks, they are probably more victim than vicious.

食人鱼没有可爱的样貌来赢得你心，与此同时它们更有可能是受害者。

However, researchers found that piranha most likely group together as a defense against such predators as river dolphins, caimans and bigger fish, and not to engage in feeding-frenzies.

但是，研究者们发现食人鱼拉帮结伙更多的是为了抵御食肉动物&如河豚、凯门鳄和一些大型鱼类的攻击，而不是忙于觅食。

Unlike the piranha, there is a giant variety of tigerfish-the goliath tigerfish-which can grow to weigh 50 kg ( 110 lb) and eat crocodiles.

与水虎鱼不同的是，虎鱼有很多种类——歌利亚[①]虎鱼——能长到50千克（110英镑）重，还能吃鳄鱼。

Mr. Goodman: The piranha hunt in packs. The first bite draws blood , blood draws the pack.

古德曼先生: “食人鱼是群体猎食. 第一口咬出来的血散开了, 会引来大量的食人鱼. ”

Time for the ultimate killer's test: How would the piranha react to my duck?

现在是终极杀手测试时间：水虎鱼会对我的鸭子如何反应呢？

Although a single piranha might make a nice meal for a dolphin or a cormorant, their tendency to swim in schools of hundreds keeps most predators at bay, so piranhas live a largely lawless life.

虽然单个水虎鱼可能成为海豚或鸬鹚口中的美餐，但是它们喜欢几百条一起成群结队出现的习性让大部分敌人敬而远之，因此，水虎鱼几乎过着无法无天的生活。