He was pale and freckly and was blinking at a rate that meant he either had a speck of dust lodged in both eyes or was very, very nervous.

Trying to watch a football match on this was like witnessing ants chasing a speck of dust.

But perhaps it was just a speck of dust.

The most we'll do is clean up the odd speck of dust.

That's just a speck of dust in my eye.