Most Canadian native speakers, including almost all CBC radio announcers say "谬脸".) B4 r: H7 S1 ~' ~
$ n) l3 P, n& D. M) X7 TSome VOA announcers say "咪脸". Chandler in sitcom "Friends" says "谬脸".0 M' P- n& A0 [7 E! S& |9 W
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I say "谬脸".