Which preposition to use with sharpening

at Occurrences 17%

It was near two hundred yards in length from east to west, and some fifty in width, but rude enough, consisting merely of a row of logs set upright in the ground and projecting some twelve feet above it, loopholed, and sharpened at the top.

to Occurrences 16%

For these men were not the common Indian breed, but a race nurtured and armed for great wars, disciplined to follow one man, and sharpened to a needle-point in spirit.

into Occurrences 8%

Yet all day he was aware of a sense of vague uneasiness, which sharpened into dismay when, late in the afternoon, he was informed that three gentlemen had called and were waiting for him in the surgery.

of Occurrences 7%

"Haying" would begin next morning, and he would be wakened by the sharpening of scythes and the click of mowing machines.

in Occurrences 7%

His old attitude toward Lulu had shown a terrible sharpening in these ten days since her return.

for Occurrences 4%

But three of the Indians lay dead and dying on the floor of the hut; one of them being the mangled body of Wattawamat, who was slain by Standish with his own knifethat very knife which the savage had sharpened for the purpose of plunging it into the heart of the white chief!

with Occurrences 4%

Perhaps, in these latter days, a man may best distinguish himself in statesmanship, for the mind is a weapon not to be slightedwhen it is builded with strength, sharpened with careful use,

like Occurrences 3%

Then on again, with a droll expression and noses sharpened like exclamation points, to find another grasshopper.

on Occurrences 3%

Their contents included a dagger and a clasp-knife with a long blade sharpened on both edges, but no pistol.

of Occurrences 2%

And Telemachus fell to cleaning and sharpening of the lances.

against Occurrences 2%

She came up to her husband to ask his permission to go out, which he granted, insisting only that she should wrap herself up warm; she turned to me and said with a roguish smile, "You will let Aniela go, will you not?" That Aniela should blush furiously was only natural, but that I, an old stager, a razor sharpened against the strops of so many experiences, should have betrayed so much confusion, I cannot forgive myself.

through Occurrences 1%

From these tops a fine, keen cold fell with the waning afternoon, which sharpened through the sunset till the dusk; but in the morning the change was from the chill to the glow, and they could sit in their pavilion, under the willowy droop of the eucalyptus-trees which have brought the Southern Pacific to the Riviera, with increasing comfort.

from Occurrences 1%

The voice of Jim Silent, strangely changed and sharpened from his usual bass roar, shrilled over the sudden tumult: "Each man for himself!

Which preposition to use with  sharpening