a while back

基本解释

Was it maybe a while back?
那或許是一段時間以前吧？
A while back I read an interesting story in a parenting magazine.
不久之前我在一本教育襍志上讀到一個很有趣的故事。
Aiden: A while back you showed me a picture you created of a panda bear.
艾登：前陣子你給我看了一張對大熊貓進行創作設計的圖。

"David Miliband said a while back, having said 54 times that in answer to parliamentary questions that nobody had gone through Diego Garcia, he said on the 55th time that actually the U.S.had now told him that people had gone through Diego Garcia.
Well, a while back I said that we'll use it at least for a few weeks this moniker string.
好的，前陣子我說過，我們將至少,要使用這個綽號幾周。
哈彿公開課 - 計算機科學課程節選
I read an article a while back about a private fire company, the Salem Fire Corporation, in Arkansas.
我看過一篇關於私人消防公司的文章，在阿肯色州有一家塞倫消防公司。
耶魯公開課 - 公正課程節選

In fact, a while back, he stopped by the White House to talk about education.
WHITEHOUSE: Keepers of the Dream Awards Gala