The gas engine was not very reliable in those days.

So the process is more reliable in hot weather than cold, but the cars run all year.

He hoped to God the power was reliable in this building.

It also proved to be much more reliable in service.

But this approach is likely to be less reliable in the future as financial markets become more global.

"We focus on what car is predicted to be reliable in the first few years."

And some still use an old system that was never very reliable in the first place.

I've tested his memory and he isn't reliable in any way.

"So elephants are not always reliable in the names they remember?"

Though not quite 100% reliable in our experience, it's better than most.