For almost the only time in his life that I know of, Peter was afraid.

据我所知，彼得一生中几乎只有这一次感到害怕。

youdao

There is only so much time in the day for answering letters.

白天只有这么多时间用来回信。

《柯林斯英汉双解大词典》

The only time that we attempted to do something like that was in the city of Philadelphia.

我们惟一一次试图做那样的事是在费城。

《柯林斯英汉双解大词典》

You can spend a great deal of time making an object only for it to break in the kiln.

VOA: special.2009.09.09

Now I mention this only because over time, this will become important when you're not reading in files necessarily but writing files.

我之所以提到这个是因为久而久之，当你自己写代码而不是读代码时,这会变得非常重要。

哈佛公开课 - 计算机科学课程节选

In this worldview, institutions--human institutions evolve only slowly over time and cannot be altered by abrupt human interventions.

在这个世界观里,制度尤其人文制度,发展得非常缓慢,而且不会被突然的人为干预改变

耶鲁公开课 - 美国内战与重建课程节选

Out of 7 managers over 4 separate periods, only one manager in only one time period experienced a small loss.

FORBES: Buffett Is Right, Bonds Need A Warning Label

In May, the club reached the final of the FA Cup for the first time in 81 years and only the third time in their history.

BBC: Williams awarded BBC Wales crown

In their second season in Winnipeg, the Jets are attempting to qualify for the playoffs for the first time in seven seasons and only the second time in the team's 13-year history.

WSJ: Jets remain in the hunt with 2-1 win over Sabres