blue in the face的意思是：脸色发青，气得、累得说不出话来，脸红脖子粗。
blue in the face
英[blu: in ðə feis] 美[blu ɪn ði fes]
[释义] 脸色发青，（气得、累得）说不出话来; 脸红脖子粗;
[网络] 脸色铁青; 筋疲力尽; 脸上发紫;
[例句shu]He was blue in the face, ie His face was a purplish colour because of cold or exertion.
他脸色发青（因寒冷或用力过度而稍泛紫色）.
