have another think coming

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

estar muito enganado, ter outra ideia em mente

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.
Se você acha que vou te ajudar a trapacear, você está muito enganado.
She thinks she can just walk in and get the job, but she's got another think coming.
Ela acha que pode simplesmente entrar e conseguir o emprego, mas ela está muito enganada.