She was careful to reset the alarm before she left the office.

在离开办公室之前，她小心翼翼地重设了警报器。

《柯林斯英汉双解大词典》

I dialled Elizabeth's number thinking I might catch her before she left for work.

我拨了伊丽莎白的电话号码，心想我或许能赶在她动身上班前和她取得联系。

《柯林斯英汉双解大词典》

Before she left, she gave me a similar bracelet to hers.

她走之前，给了我一个和她的相似的手镯。

youdao

A few days before she left, she gave a small American flag to her friend Jacqueline Cochran, another female pilot.

VOA: special.2010.05.26

Just before she left the building, Biswa Dash said his wife felt the building shake.

CNN: iReporters await word from loved ones in Mumbai

They certainly knew she had spied for Russia, and questioned her before she left.

ECONOMIST: Ruth Werner, Soviet spy, died on July 7th, aged 93

Before she left Washington, senior members of Congress had urged her to come down hard on Mr Arafat.

ECONOMIST: Albright��s perilous debut