The flat cut on the antelope's chin shows that its tongue was cut by a very sharp flake.

羚羊下巴上面平整的切痕，显示它的舌头是被非常锋利的片状器具切割的。

youdao

Take a sharp knife and cut the salmon into thin slices.

用一把锋利的刀把三文鱼切成薄片。

youdao

Mind you don't cut yourself—that knife's very sharp.

小心别伤着—这刀子快得很。

《牛津词典》

Others have sharp points, rows of cut-out circles or designs like snowflakes.

VOA: special.2009.06.01

Even before the window had opened Newcastle found themselves at the sharp end of that "cut-throat industry" as Chelsea expressed an interest in signing Magpies striker Demba Ba.

CNN: January 3, 2013 -- Updated 1012 GMT (1812 HKT)

The big relief, in Mr Mishkin's view, is that falling house prices translate only slowly into lower spending, so central bankers can soften even sharp house-price declines provided that they cut interest rates early.

ECONOMIST: Economics focus

U.S. stocks still ended the day with sharp losses, but a last-hour rally cut the deficit in the blue-chip barometer by more than half as professional investors seem to have stepped in and picked up shares dumped by unhappy mutual- and hedge-fund shareholders.

FORBES: Market Scan