We lost her in the crowd.

我们在人群中找不见她了。

youdao

The little girl who lost her parents in the air crash has attracted an enormous amount of public sympathy.

这个小女孩在空难中失去了双亲，她得到了无数民众的同情。

youdao

She lost her husband in the crowd.

她在人群中与丈夫走散了。

《牛津词典》

Carly Fiorina led Hewlett-Packard until she lost her job in two thousand five.

VOA: special.2010.06.12

And when she had seen them walk away together upon their path of flowers, followed by the happy shouts of the crowd, in which her one sad cry was lost!

VOA: special.2009.04.18

"She is lost." "Her group left her. She is in a foreign country.

VOA: standard.2010.06.07

She ran so far ahead he almost lost her in the shifting sweeping curtains of gray water.

NPR: Excerpt: 'Estrellas y Rascacielos'

Stosur, who had nine double-faults and 56 unforced errors, has never gone beyond the fourth round at her home Grand Slam, lost in the first round last year and also lost in her first matches at warm-up tournaments this year in Brisbane and Sydney.

NPR: Djokovic, Sharapova Cruise At Aussie Open

She stalled in her late 20s, explaining that she had lost her joy in golf and balance in her life.

WSJ: Tianlang Guan and the Sport That Eats Its Young | Golf Journal by John Paul Newport