The disembodied voice hardened to a knife-sharp edge.    From Wordnik.com.  [Time's Enemy]

Her mittens already bore cuts from the knife-sharp ice.    From Wordnik.com.  [Ice Hunt]

She stopped as another sudden, knife-sharp memory came back.    From Wordnik.com.  [Dark Moon of Avalon] Reference

Ten meters fi, om him, the kzin stood knife-sharp in Saxtorph's.    From Wordnik.com.  [Inconstant Star]

I hardly breathed as the knife-sharp fingernail twitched closer.    From Wordnik.com.  [Analog Science Fiction and Fact]

But McCarry was merely polishing his knife-sharp critique of the left.    From Wordnik.com.  [Charles McCarry] Reference

His black shoes were mirror shiny, his trousers had a knife-sharp crease.    From Wordnik.com.  [Butchers Hill]

A knife-sharp edge of fear sliced into her heart and paralysed her defences.    From Wordnik.com.  [Master of Pleasure]

The shuriken had always fascinated him, steel stars with knife-sharp points.    From Wordnik.com.  [Neuromancer]

Anna had been most fortunate that the knife-sharp glass fragments had not killed her.    From Wordnik.com.  [Darksong Rising]

She did not need to hear the wind or the knife-sharp hiss of her runners over the ice.    From Wordnik.com.  [Ice Hunt]

The claws on their forelegs were longer, metallic blue talons, glinting and knife-sharp.    From Wordnik.com.  [Darkness]

The dark shadow raced northward, its forward edge a knife-sharp line between day and night.    From Wordnik.com.  [The Order War]

When the sun leaked through I saw his ribs, and the dull hide taut over his knife-sharp hips.    From Wordnik.com.  [the dark horse] Reference

The knife-sharp edge sliced through the leathery webbing and green ichor sprayed from the wound.    From Wordnik.com.  [The Dragons at War]

Lavim kicked at the dirt, watching the puffs of dust being carried away by the knife-sharp wind.    From Wordnik.com.  [Stormblade]

Nog launched himself like an old-fashioned Martian astronaut over the knife-sharp shards of the shattered door.    From Wordnik.com.  [THE WAR OF THE PROPHETS] Reference

I saw a half mile away vertical, knife-sharp edges of two facing cliffs, the gap between them a mile or more wide.    From Wordnik.com.  [The Metal Monster] Reference

The churned ground passing under the flitter was a nightmare of broken ridges, knife-sharp pinnacles, and pitted holes.    From Wordnik.com.  [Uncharted Stars]

Emily Wood straightened in the pilot's chair of the dolphin sub, senses lulled to the edge of sleep a moment before suddenly knife-sharp.    From Wordnik.com.  [Return of The First Sentence I Wrote Today] Reference

I'll stick with breathtaking comics with gut-wrenching writing and knife-sharp art.    From Wordnik.com.  [Comics Should Be Good! @ Comic Book Resources] Reference

Alas and Marcus Piggott, and she's still all Bambi legs and knife-sharp cheekbones.    From Wordnik.com.  [Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph] Reference

Parker had a knife-sharp wit and wasn't afraid to let people see and know her scorn.    From Wordnik.com.  [Murder She Writes] Reference

She caught it fairly, and her long, knife-sharp claws sank in, holding it like a carpenter's vise.    From Wordnik.com.  [Children of the Wild] Reference

Studded collars would protect the dogs 'most critical area, the neck, against knife-sharp incisors.    From Wordnik.com. Reference

The wind off the water was knife-sharp, but he didn’t notice it.    From Wordnik.com.  [Stay Through The Night]

And in sighing, it opened a mouth the size of Rosen’s torso lined with knife-sharp teeth.    From Wordnik.com.  [Teaser Tuesday!] Reference

Note: Its leaves are knife-sharp.    From Wordnik.com.  [Ponytail palm, croton and dwarf poinciana: ornamental plants and flowers of tropical Mexico] Reference

Her cool voice had a knife-sharp edge.    From Wordnik.com.  [Dearly Beloved]

Not barbed, not serrated, just knife-sharp.    From Wordnik.com.  [TOO MANY MURDERS] Reference

The brothel plan was simple and knife-sharp.    From Wordnik.com.  [Strip Jack]

But it was knife-sharp.    From Wordnik.com.  [The Dark House] Reference

Stars clustered knife-sharp.    From Wordnik.com.  [Inconstant Star]

The leaves are knife-sharp. ".    From Wordnik.com.  [Soarer's Choice]