has-been
🇺🇸
/ˈhæz bɪn/
🇬🇧
/ˈhæz biːn/
Someone who was once famous or successful but is no longer.
He considers himself a political expert, but many see him as just a has-been.
他自认是政治专家,但许多人只把他看作是一个过气人物。