Definition
To become pale, often with a tinge of green, due to nausea or illness; to appear unwell, as if about to vomit.
脸色发青
He went green at the sight of the wrecked car.
他看到撞毁的汽车时脸色发青。
She turned green from seasickness and had to go below deck to rest.
她因晕船而脸色发青，不得不下甲板休息。
He turned green after hearing the bad news.
听到坏消息后，他的脸色发青。