They cannot waste precious energy fighting on two fronts.

Throughout his career, too, he wasted precious energy on his idiosyncratic ideas for spelling reform.

He now wastes precious energy on the way to post.

Feeding the birds regularly from the same spot means they will know where to come and won't use precious energy searching for food.

Not only you have to defend your precious energy bar, you have also to watch the limited time offered before ending your mission.

Yet it seems we waste as much as 30% of the precious space we do have.

Under the new rules the defending side have to stand five metres behind the back foot of the scrum, giving precious space to the offence.

State regulation and control constitute a gross intrusion into this uniquely precious space, and they can only compromise its overall quality.

Some recorders archive voice and data in one unit, saving precious space.

They let the opponents play and give precious space.

I consider both my pension and precious time have been stolen from me.

They also allowed themselves to be led on a wild-goose chase, spending precious time pursuing a 'suspect' after receiving hoax tapes and letters.

Doctors moan if you turn up unnecessarily, 'wasting' their precious time.

They've stopped working, but they still cost precious time and energy.

She's there at breakfast every day, interrupting whatever precious time we have to talk to each other before the working day kicks in.

They steal his precious treasure, set off his giant alarm clock, and leave the tap running, flooding much of his castle.

Its collections are a very precious treasure of national, regional and world heritage.

Mundane things become precious treasures when someone has gone.

Locked in its ancient geological structures are rare and precious treasures, while forests and fertile soil offer a variety of commodities that traders have carried off to world markets.

All these precious treasures are sourced to meet the avarice of the few.

Photographs taken as demolition began show that the vaults of the tanks were unusually thick and built to protect precious water supplies from heavy bombardment.

Or it could be one of the planet's greatest environmental catastrophes, bringing radioactivity and sapping precious water resources.

This also makes the islanders much more aware of conserving their precious water supplies.

A highly efficient panting mechanism allows for a low rate of evaporative water loss when cooling the body, conserving precious water.

With expanding settlement beginning in the late 19th century came farming, mining, and livestock production, all of which competed for the same precious water.