throw someone a curveball
US /θroʊ ˈsʌm.wʌn ə ˈkɜrv.bɔl/
UK /θroʊ ˈsʌm.wʌn ə ˈkɜrv.bɔl/

1.
memberi kejutan, menghadirkan kesulitan tak terduga
to present someone with an unexpected difficulty or challenge
:
•
The boss really threw us a curveball with that last-minute change to the project.
Bos benar-benar memberi kami kejutan dengan perubahan proyek di menit-menit terakhir itu.
•
Life can sometimes throw you a curveball when you least expect it.
Hidup terkadang bisa memberi Anda kejutan saat Anda tidak menduganya.