At first the engineer's voice seemed to come across a whining distance, and the sweat and soot on his face blurred into the haze which grayed all vision.

A dozen times he sighted along the rifle barrel, holding his aim until the sweat ran into his eyes and blurred them and he had to take the butt from his shoulder and turn away.

Only when I looked at my page of notes, I saw that not only was it torn straight down the middle, my sweat had blurred the jottings so badly I could no longer make them out.

Another version, and the sweat running down his fingers blurred the words.

To could feel it slipping as sweat blurred his vision and sirens screamed.

White shirts were sodden; sweat dripped on to the wet ink of exercise-books and blurred the words; even Tuan Haji Mohamed Noor, the Koran teacher, had to take off his turban the better to wipe his hair-roots.

After the first mile, the iron helmet had come off, when the sweat pouring into his eyes began to sting and blur his vision.

I marked out the second in line, but was too experienced to aim before necessary; in the tropics, sweat and heat blur a marksman's sight almost at once.