Which knife? The sharp one.

哪一把刀？锋利的那把。

youdao

He was always the robust one, physically strong and mentally sharp.

他一向是个健壮的人，身体强壮、头脑敏锐。

《柯林斯英汉双解大词典》

youdao

The twenty-one year-old throws a sharp breaking ball that cuts across the plate at the last second.

VOA: special.2010.06.18

to rise and to say anything was a violation of the culture, and that's one of the places where you see where this sharp line exists. They just take orders, but the gentlemen don't just take orders.

起身反抗和发表见解是有违当时的文化的,从这一点可以看出当时社会,森严的等级界限,普通人只能服从指挥,但是有地位的人不仅接受命令

耶鲁公开课 - 古希腊历史简介课程节选

But the standard in medicine is usually to include the drop-outs, raising the bar for new drugs, and this was the analysis pre-specified in the SHARP protocola nd the one Merck presented.

FORBES: Finally, A Win For Vytorin

Killie had their first meaningful attack on 15 minutes when Taouil hit the woodwork following a sharp one-two with Sammon.

BBC: Sport - Football - Inverness CT 1-3 Kilmarnock

One advantage: MIT Professor Phillip Sharp , one of the scientists behind Biogen, is also a founder.

FORBES: A Brand New Way To Make Drugs