Karar vermek sana kalmış.
- It's up to you to decide.
Karar vermek size kalmış.
- It's for you to decide.
Sigarayı bırakmaya karar verdi.
- He decided to quit smoking.
İşinden ayrılmaya karar verdi.
- She decided to quit her job.
I have decided that it is healthier to walk to work.