1、comparison

比较;对照

a comparison of the British and German economies.

英国经济与德国经济的比较

Its recommendations are based on detailed comparisons between the public and private sectors.

建议是建立在对国营部门与私营部门进行详细比较的基础上的。

比拟;比喻

It is demonstrably an unfair comparison.

这样打比方显然不公平。

He finds the comparison of insect wings with a sailing boat useful up to a point.

他发现把昆虫的翅膀比作一艘帆船在某种程度上是有用的。

与…相比;与…比较而言

Is the human heart weak in comparison with the other organs?

与其他器官相比，人的心脏是不是很脆弱？

The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.

相比之下，人类活动燃烧煤、石油等所释放的二氧化碳要少一些。

2、sharp

锋利的;锐利的

The other end of the twig is sharpened into a sharp point to use as a toothpick.

细枝的另一端被削尖用作牙签。

Using a sharp knife, cut away the pith and peel from both fruits.

用一把锋利的刀削去两种水果的外皮和中果皮。

尖的;有尖角的

His nose was thin and sharp.

他的鼻子又细又尖。

black sharp-toed cowboy boots.

黑色尖头牛仔靴

(人)敏锐的，灵敏的，敏捷的，机灵的

He is very sharp, a quick thinker and swift with repartee.

他非常机敏，反应很快，并且能说会道。

Gates is known to be a superb analyst with a sharp eye and an excellent memory.

盖茨是公认的杰出分析家，他目光敏锐且记忆力超群。