She paid me in dribs and drabs, not all at once.

她一点一点地付给我钱，而不是一次付清。

《牛津词典》

Note that this arrives in waves and stages, not all at once.

注意到这种交汇以波浪和阶段的形式来临，而并非一蹴而就。

youdao

At the same time, we obviously don't want to pull the whole world across the wire, at least not all at once.

同时，我们也显然不想通过一根线缆获得整个世界的信息，至少不要一次就得到。

youdao

However, over the course of time, some ancient Israelites, not all at once and not unanimously, broke with this view and articulated a different view, that there was one divine power, one god.

然而随着时间推移一些犹太人，不是全体一致地，摒弃了这种，认同并信仰一种完全不同的，那就是世上只有一个神，上帝。

耶鲁公开课 - 旧约导论课程节选

And then she is gripped with--as she says, "overcome all at once"-- by a need to touch him, as if she could not believe in him or would not remember him.

然后，就像她说的，“突然克服了“一样，她被一种接触他的需要紧紧握住，就像是她不能够相信他，或者是记得他。

耶鲁公开课 - 1945年后的美国小说课程节选

IMF, which will pay out in stages, not all at once, would not be amused.

ECONOMIST: Fresh IMF money may save the economy, at a high social cost

First, it will slash the number of its brands from eight to three--maybe not all at once but eventually.

FORBES: Time Is Up

The cuts to the federal budget will not hit all at once.

BBC: Q&A: What are the 'sequester' budget cuts