I went through the items on the list one by one.

我逐条看了清单上的条目。

《牛津词典》

The game is poised on a knife-edge. One mistake or one piece of good luck could decide it.

比赛形势扑朔迷离。一个失误或是一点运气就有可能决定胜负。

《柯林斯英汉双解大词典》

The one-on-one music therapy sessions each lasted 60 minutes and took place twice a week.

一对一音乐治疗课程每次持续60分钟，每周进行两次。

youdao

The Griffin was the one of the first sailing vessel on the Great Lakes and also among the first shipwrecks.

VOA: special.2009.11.11

- >> I'll keep asking until we get the right -- until we all merge on the same one.

>，我将一直问，直到我们得到了正确的答案-,直到我们都得到同一个答案。

哈佛公开课 - 计算机科学课程节选

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

Let me make two points, one on the economy and one on the international issues.

WHITEHOUSE: President Obama Speaks on US-EU Summit with Herman Van Rompuy and President Jos�� Manuel Barroso | The White House

We have the army on one hand - on the one hand - and Islamists.

CENTERFORSECURITYPOLICY: Adel Guindy: Islamism & the Facade of Egyptian Democracy

The two avowedly Eurosceptic political groups one broadly on the left, one on the right are both likely to gain members.

ECONOMIST: Charlemagne