Things you can never recover.
There are things in life you can never recover.
Can you name one of them?
I will start: An "occasion"(event), after it is missed.
"ocasión"
16 Answers
Harsh words spoken in anger or frustration.
La inocencia.
The Innocence of a child placing it's trust in all. 
"la juventud"
( youth )
la infancia de tus hijos - your children's childhood (in case you missed it)
la piel suave
smooth skin
el tiempo
Time
Files on your computer when Vista says they are "unrecoverable".
Old sofas put on the rubbish tip.
The excitement of Christmas as a child.
la oportunidad
an opportunity
En medio de la adversidad nos encontramos oportunidad.
In the middle of adversity we meet opportunity.
Mi madre. Echo de menos a ella cada día, especialmente durante las fiestas del Día de Acción de Gracias y de la Navidad.
My mother. I miss her every day, especially during Thanksgiving and Christmas holidays.
Integrity
Consistency
teeth
the meal you spent all day making only to have the cat jump on the table and start eating it when your back is turned.
La confianza
Trust
This doesn't ring true for everyone. However, when it comes to myself, when it's gone, it's gone for good!
Also,
El tiempo
Time
I will never get the 2 hours of my life back that I wasted on that "Predators" movie! Nor will I be able to recover the $10 I paid for it, because I sat through more than half of the movie. Boooo... 
The deceased.
Lost sleep can not be recovered.
No se puede recuperar el sueño perdido.
La cordura de la mente que ha sido destruido por las drogas.
The sanity of the mind that has been destroyed by drugs.
