出典:Tatoeba
I will do my best for another hour.
I still have some time to spare.
I have plenty of time to do that.
I can stay awake for another 2 hours.
I think that it takes 3 hours.
Two o'clock will suit me better [is more convenient] than one.
I felt I needed a bit more time.
I spent quite a bit of time on that.
I'd like just a little bit of time to do that.
I had to go home an hour earlier than what was scheduled.