As a result, planes were kept in a holding pattern, sometimes three or four miles apart, until they were cleared to land.

结果，飞机均被保持在等待航线状态，有时相隔三四英里，直至它们得到降落指示。

《柯林斯英汉双解大词典》

I enjoyed playing the violin very much, and I didn't mind practicing, sometimes three or four hours a day.

我非常喜欢拉小提琴，我不介意练习，有时一天练三四个小时。

youdao

I had scrimped and saved to get at least two stickers a week - sometimes three if I had a little extra left over.

我省吃俭用，节衣缩食，争取每周得到两张以上的贴纸。有时如果有点额外盈余的话能拿到三张。

youdao

"There is increased evidence that it helps shorten the duration of the common cold sometimes even by two to three days."

VOA: special.2011.04.20

And I think sometimes on the teeter-totter of each of those three dimensions were teetering where I wish we were tottering a little more as our products are more complicated.

我想有时这就像坐跷跷板,三个维度都在摇晃不定，无法抉择,比我们的产品生产还复杂一些。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

Twice he came from back of the pack, passing 118 cars -- sometimes three wide.

WHITEHOUSE: President Obama Honors Tony Stewart��s NASCAR Sprint Cup Championship | The White House

In many middle-class families, children have one, two, sometimes three adults at their beck and call.

NEWYORKER: Spoiled Rotten

When the walls are too full to hang another, the art is stacked, sometimes three deep, on the floor.

WSJ: Like Home, Only Better