bir eğri atmak

listen to the pronunciation of bir eğri atmak
Турецкий язык - Английский Язык
throw a curve
(deyim) Take someone by surprise in an unpleasant way. "Mr. Weiner's announcement threw the whole company a curve."
(deyim) (slang, informal) Mislead or deceive someone; to lie. "John threw me a curve about the hiring."