Be careful—it has a sharp edge.

小心点—这刀刃很锋利。

《牛津词典》

He has a sharp tongue.

他说话尖酸刻薄。

《牛津词典》

Emma has a sharp tongue.

艾玛说话很刻薄。

youdao

She says there has been a sharp increase in volunteers recently.

VOA: special.2009.04.03

Obviously, it goes without saying that today the assessment of Milton as some kind of imminent social threat or some sort of social force in terms of the radical nature of political power - that has taken a sharp turn.

显然--这是不言而喻的--现在，这一种基于弥尔顿,政治力量的激进性而把他看做是,危险的社会威胁或社会力量的观点,已经有了180度大转弯。

耶鲁公开课 - 弥尔顿课程节选

Mr.Medvedev told a meeting of government ministers in Moscow the global economic crisis has caused a sharp decline in Russian federal revenues.

VOA: standard.2009.05.25

He has a sharp eye for detail and he presents a strong case.

ECONOMIST: The man who was up there with Gladstone and Disraeli

The main town of Vathy is lively but not touristy and has a sharp, contemporary hotel Perantzada with harbor views.

FORBES: Six Places That You Should Visit In Greece This Fall

Using Braille for speeches, and briefed by his officials on tape, he also has a sharp tongue at times, and a pragmatic approach to politics.

BBC: SERVICES