You are making a big mistake.
你正在犯一個(gè)嚴(yán)重的錯(cuò)誤。
It's all been a ghastly mistake.
這是個(gè)極其惡劣的'錯(cuò)誤。
She paid dearly for her mistake.
她因犯錯(cuò)誤而付出了巨大的代價(jià)。
The engagement was a bad mistake.
這婚約是一項(xiàng)大錯(cuò)。
He was loath to admit his mistake.
他不愿承認(rèn)自己的錯(cuò)誤。
I made a stupid mistake.
我犯了個(gè)愚蠢的錯(cuò)誤。