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

VOA: special.2009.06.01

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

Or, we are going to call it D sharp?

要么,我们称之为升D吧

耶鲁公开课 - 聆听音乐课程节选

Aviation analysts say the sharp volcanic particles can damage a jet engine or cause it to shut down in mid air.

VOA: standard.2010.04.15