But one night after supper, Calvin and Everett said sharp things to each other.

VOA: special.2009.03.07

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

His face was yellow, but his eyes were sharp and black.

VOA: special.2009.05.23

The result has been some progress on the ground, but also a sharp increase in U.S.casualties, with more than in just the last three months.

VOA: standard.2009.09.22

But he said China's sharp increases in military spending in recent years are defensive in nature, and still leave its spending and military capability far behind the United States.

VOA: standard.2009.10.27