turn back

To return to a place you have left.

• It started raining, so we turned back.
  Yağmur başladı, bu yüzden geri döndük.
• The pilot decided to turn back because of bad weather.
  Pilot kötü hava nedeniyle geri dönmeye karar verdi.

To stop doing something you have started and return to how things were before.

• You can't turn back now.
  Artık vazgeçemezsin.
• Once you sign the contract, there is no turning back.
  Sözleşmeyi imzaladıktan sonra geri dönüş yok.

To stop people or vehicles and send them back the way they came.

• Fans without tickets were turned back at the gate.
  Bileti olmayan taraftarlar kapıdan geri çevrildi.
• Several ships were turned back because of the storm.
  Fırtına nedeniyle birkaç gemi geri gönderildi.