Home again, I wasted hours trying to make sense of things, and did so eventually.

I just wasted half an hour on this already and feel like I've made no progress.

I could waste hours trying to convince them, by which time it would be too late.

I wasted more than an hour with her personnel lists.

"But our friend comes first, and it feels like we've wasted hours."

He'd wasted hours with them, to find that they were useless for anything but argument.

All in all, I had wasted more than an hour.

Which was fair payment, she thought, for wasting half an hour of her valuable time.

I understand the desire not to waste countless hours removing the stuff.

He wasted nearly another hour finding the police station, filling in forms and paying the fine.