I didn't recognize him—he's grown a beard.

我没认出他来—他留胡子了。

《牛津词典》

Are you willing to stand up in court and swear that you don't recognize him?

你愿出庭起誓说你不认识他吗？

《牛津词典》

He walked along in the shadows hoping no one would recognize him.

他在暗处走着， 希望没有人能认出他来。

youdao

The southerners wanted him to recognize South Carolina and order all federal troops out of Charleston Harbor.

VOA: special.2009.07.23

The face there, if you have seen him before, you will recognize as Yeats's.

实际上，如果你见过他，你会认出这是叶芝。

耶鲁公开课 - 现代诗歌课程节选

He says combining medical and culinary expertise allows him to help people recognize the cooking mistakes that make their diet unhealthy.

VOA: standard.2010.02.23

"You don't even recognize him, you wouldn't think he was your brother, " she said.

BBC: Derry petrol bomb attack victim's family 'devastated'

"We do not recognize him as president, " N'Jadder told The Associated Press by telephone from Paris.

NPR: Split Appears In C. African Rebel Coalition

Though sitting down, he constantly has to stand up briefly to greet the ultra-wealthy fashion aficionados who recognize him.

WSJ: Wealth Over the Edge | WSJ.Money Spring 2013