knuck·le·head
noun/ˈnʌklhed/
/ˈnʌklhed/
(especially North American English, informal)- a person who behaves in a stupid way
笨蛋；傻瓜 - Anybody but a complete knucklehead could do the job.
除了傻瓜之外，任何人都可以胜任这项工作。
- Anybody but a complete knucklehead could do the job.