易混淆的单词： Bullhead

I put two months of work into my exhibit , which was a 9cm european bullhead .

我用两个月的时间准备我的展品，这是一条9厘米长的欧洲大头鱼。

A museum paid sfr 4000 for the bullhead , but considering my time and effort it should be worth twice that .

一家博物馆曾出价4000瑞士法郎购买我的大头鱼标本，但考虑到我为此付出的时间和努力，它应该值两倍的价钱。

Tom is a typical bullhead -- every time when I try to tell him something he always chops logic with me .

汤姆真是顽固不化每次我跟他讲些道理的时候他总是强词夺理！