a while ago

基本解释

A while ago I had a dispiriting conversation with another eminent European scientist.
剛才，我和另一位著名的歐洲科學家進行了一次令人沮喪的談話。
A while ago, I was working on a project which started as a normal dialog-based solution.
前一段時間我做了一個項目，最初使用普通的基於對話框的解決方案。
I beg your pardon, sir, for having disturbed you a while ago, and for again disturbing you at this moment; you must have thought me intrusive, and I will explain myself.
我來曏您道歉，先生，我剛才打攪了您，現在又來打攪您，您一定覺得我這人有些不近人情吧，我得曏您解釋一下。

"General McChrystal and the NATO investigators should bear this fact in mind that regardless of the support to the Taliban, those killed were non-combatants and their killing was a violation of the tactical order General McChrystal issued a few while ago in order to prevent such incidents,".
And so, he was in kind of in this very minimum security and he finally just croaked a while ago.
所以就對他嚴加看琯,前一陣子他終於死了
耶魯公開課 - 1871年後的法國課程節選
Okay, it's from 1987, so it's from quite a while ago, but.
這是1987年上映的，所以這是部老電影。
在倫敦拍攝的電影 - SpeakingMax英語口語達人

On Iran, a while ago you said there is time and space to pursue diplomacy.
WHITEHOUSE: Press Briefing