He said the war would last our life time; also we should very likely be beaten.

Surely this man has caused enough trouble for one life time?

All good for a while, but not what you could build a life time on.

For ten years there had been little social life, less free time.

It was an amazing once in a life time experience.

The thing is you only do this probably once in a life time.

I know it is dripping with oil but once in life time won't kill you.

I was waiting for this to happen in my life time.

He doesn't seem to realize how long that is, although I'd expect him to think it a life time.

The average life time of a crane is from 20 to about 25 years.