Meanings of difficult targets in English

They were difficult targets, however, and the bullets went well wide.

They were fifty meters away and running hard, difficult targets.

A line of patrols, moving rapidly about, presented difficult targets to the enemy's sharpshooters.

Nevertheless, a sizeable fraction of proteins remain difficult targets due to inherently limited chemical diversity of nucleic acids.

The Indians could fire at the mass in the hollow, while the Texans steadily picked out their more difficult targets.

The five brown figures cantered over the rough ground, presenting difficult targets, but under continual fire, and disappeared round the spur.

They say the company may have set itself very difficult targets to attain, regarding the service levels it would provide within certain timeframes.

Susan Smith has lost none of her confidence in setting difficult targets for herself as the beginning of the track season looms into view.

When hitting the post with a stone lost its challenge as she gained skill with the sling, she set more difficult targets for herself.

The external embryogenesis and transparent embryos of the fish allow systematic isolation of embryonic lethal mutations, the most difficult targets in mammalian mutant screens.

Ireland's farmers can meet increasingly- difficult targets for the reduction of greenhouse gases over the next 11 years, Teagasc, the State's agri-food advisory body has declared.