They'll be back well before dark.

他们会在天黑以前回来。

《柯林斯英汉双解大词典》

Chew your food well before you swallow it.

食物在吞咽前要仔细咀嚼。

youdao

Take her in hand and prescribe for her, but let her get well before I send her back.

照顾她，给她开药方，但在我送她回去以前，先让她好起来。

youdao

Kathleen Sebelius says the United States had medical teams in Haiti well before the earthquake and will have them there well after.

VOA: special.2010.02.01

You might say, this should have been obvious to someone, but it had never been written up well before.

有人可能会说,这谁都知道,但之前从未有人记录下这个概念

耶鲁公开课 - 金融市场课程节选

Well, I had been there before when I was younger and I didn't really like it.

好吧，我年轻的时候去过那里，但我不喜欢它。

对纽约的印象 - SpeakingMax英语口语达人

The nudge, says Vemuri, helps users better remember the appointment or errand well before its appointed time.

FORBES: You Must Remember This

Well before 'Dear Science, ' we were already successful by our own standards at that point.

CNN: Soundcheck: TV on the Radio, a band to see and hear

Things started going wrong for Caribou well before it started putting up clueless Facebook posts.

FORBES: Caribou Coffee Customers Attack on Facebook -- But Here's What They're Missing