Most Canadian native speakers, including almost all CBC radio announcers say "谬脸".+ e% o9 }7 x. h
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Some VOA announcers say "咪脸". Chandler in sitcom "Friends" says "谬脸". 9 S' z- p2 G$ w! m7 ^$ {# k7 u$ B( {$ O/ ~' v0 y+ t* u4 P
I say "谬脸".