If you call someone an idiot, you are showing that you think they are very stupid or have done something very stupid.
例句
I knew I'd been an idiot to stay there...我知道我呆在這里很蠢。You're an idiot!你是個白癡！
ADJ
愚蠢的;白癡似的
Idiot means stupid.
例句
...a bunch of idiot journalists waiting to ask me stupid questions.一幫白癡似的記者等著問我愚蠢的問題
N-COUNT
弱智者;低能兒
In the past, people who had something wrong with their brains that made them seem less intelligent, or different from other people, were sometimes called idiots .