blue in the face:(由于精疲力竭而)脸色苍白的;(气得)脸色铁青的;情绪激动的
e.g. I laughed until I was blue in the face.
我笑得太过分了,脸都发白了。
e.g. She worked hard enough to be blue in the fa ce.
她干活太卖力了,累得脸色发白。
e.g. Mary scolded Jane until she was blue in the face, but Jane kept on using Mary's paints.
玛丽气得脸色铁青,狠狠数落了简一顿,可是简照样用玛丽的胭脂。