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

1.
sbagliarsi di grosso, avere un'altra idea in 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 pensi che ti aiuterò a imbrogliare, ti sbagli di grosso.
•
She thinks she can just walk in and get the job, but she's got another think coming.
Pensa di poter entrare e ottenere il lavoro, ma si sbaglia di grosso.