have another think coming

US /hæv əˈnʌðər θɪŋk ˈkʌmɪŋ/
UK /hæv əˈnʌðər θɪŋk ˈkʌmɪŋ/
"have another think coming" picture
1.

大错特错, 想错了

used to tell someone that they are wrong about something and should change their opinion

:
If you think I'm going to help you cheat, you've got another think coming.
如果你认为我会帮你作弊,那你就大错特错了
She thinks she can just walk in and get the job, but she's got another think coming.
她以为她可以随便进来就能得到这份工作,但她大错特错了