have another think coming
US /hæv əˈnʌðər θɪŋk ˈkʌmɪŋ/
UK /hæv əˈnʌðər θɪŋk ˈkʌmɪŋ/

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。