What is "waste of effort"

Usage examples of "waste of effort".

He doesn't waste time on looking for ways to smooth things over when he sees it is a waste of effort.

Stabbing him again would be a waste of effort, so he placed his thrusts higher and had the satisfaction of two cries of pain.

So, her sultry glances at the men about the table, her veiled remarks, her giddy laughter, her sly innuendos-even the joke about four soldiers and a pair of holy men being more than any woman could handle at one sitting-giggle, giggle-were a complete waste of effort.

So, her sultry glances at the men about the table, her veiled remarks, her giddy laughter, her sly innuendoseven the joke about four soldiers and a pair of holy men being more than any woman could handle at one sittinggiggle, gigglewere a complete waste of effort.

Breathing another flame blast lost Klassh precious seconds and was ultimately a waste of effort.