Once I heard the explanation, I turned red.

我一听到这个解释，脸就红了。

youdao

Since then, Einstein's face turned red.

从那时起，爱因斯坦的脸变红了。

youdao

Her face turned red.

她的脸变红了。

youdao

I could see a thousand stars. As I stood there I turned my eyes to a large red star.

VOA: special.2010.07.10

But when she turned pale, there was the mark, like a red stain upon snow.

VOA: special.2009.09.26

"On Flanders Field in World War I, She got a big hole from a Bertha Gun, She turned blood red in World War II She hung limp, and low, a time or two.

VOA: special.2010.07.02

There will be no signs to tell the driver why the lights have turned red.

BBC: Swindon traffic lights to slow speeding drivers

Sometimes the pigeon had to tap only once, whereupon the button turned red and some grain appeared.

ECONOMIST: Puritanical pigeons

As they returned to the ranch, the handkerchief that Ibarrola was holding against the wound gradually turned red.

NEWYORKER: The Insufferable Gaucho