On the one hand, if the body doesn't have enough cholesterol, we would not be able to survive. On the other hand, if the body has too much cholesterol, the excess begins to line the arteries.

一方面，如果身体没有足够的胆固醇，我们将无法生存；另一方面，如果体内胆固醇过多，多余的胆固醇就开始让动脉变厚。

《柯林斯英汉双解大词典》

On the one hand they'd love to have kids, but on the other, they don't want to give up their freedom.

一方面，他们想要孩子，但另一方面，他们又不想放弃自由自在的生活。

《牛津词典》

On the one hand, participating in extra-curricular activities allows children to develop their hobbies while on the other hand, too many such activities can increase children's burden.

一方面，参加课外活动可以让学生发展自己的兴趣，而另一方面，太多的课外活动可能会增加学生的负担。

youdao

"And who also are comfortable with their Americanness on the one hand and comfortable with Islam on the other hand."

VOA: special.2010.08.05

Milton's treading an extraordinarily fine line between the tremendous beauty of this image, on the one hand, and its potential impiety or just grotesquery on the other.

弥尔顿踩到了一条极其微妙的分界线上,这幅景象一方面极具美感，另一方面却可能是对上帝不恭甚至荒诞的。

耶鲁公开课 - 弥尔顿课程节选

Hartman's absolutely right to insist that no theological concept is as important to Paradise Lost as free will on the one hand and divine providence on the other.

哈特曼有绝对的权利坚持说任何神学的概念,在中的意义都不足与匹敌自由意志的重要性,也不足以和神圣的天命相比。

耶鲁公开课 - 弥尔顿课程节选

Britain and the United States on the one hand, and the Soviet Union on the other.

ECONOMIST: Britain and the cold war

Rather, Netanyahu should be emphasizing his strongest suit: the clear distinction between Likud on the one hand and Kadima and Labor on the other hand.

CENTERFORSECURITYPOLICY: Netanyahu's grand coalition

All I'm saying is you have to have a healthy mix of principle and values on the one hand, and national interest on the other hand.

WSJ: James Baker on Obama's First 100 Days