How can I translate:

´When did you lose your honour´ ?

Ne zaman onurunu yitirdin?

When did you lose your honour?

ne zaman (when)

kaybetmek, yitirmek (to lose)

şeref, onur (honour)

şeref+n(possessive)-------------------->şerefin (your honour)

şeref+n+i(accusative)------------------>şerefini (your honour)

kaybet+di(simple past)+n------------->kaybettin (you lost)

Şerefini ne zaman kaybettin? (When did you lose your honour?) 

possessive:

http://www.turkishclass.com/turkish_lesson_259

simple past:

http://www.turkishclass.com/turkish_lesson_269