these words are used to express a low opinion of someone's intelligence
同义词：dunce??/??dunderhead??/??numskull??/??blockhead??/??bonehead??/??lunkhead??/??hammerhead??/??knucklehead??/??loggerhead??/??muttonhead??/??shithead??/??dumbass
fuckhead:
fuck +? head
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。