A single look he took at the stones lying in his hand.
Blue Face took only a single look, to make sure that the knife had gone in where he intended it to.
It's funny how much a single look can say, isn't it?
But a single look at the sky was all it took to get a fix.
A single look into their eyes told me that they were what I had not believed to exist.
He began to rise, but I stopped him with a single look.
She laid hold and then set him aside without a single look.
We hadn't exchanged a word - not a single look for that matter.
He shot a single exasperated look at the young man then turned to me.
A single look, a gesture, can take on a world of meaning.