Most Canadian native speakers, including almost all CBC radio announcers say "谬脸".! _% X8 i! S' Z, h
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Some VOA announcers say "咪脸". Chandler in sitcom "Friends" says "谬脸". & S, g& r# |- B2 Q8 q+ R- ^/ y% v0 l( B6 W* a+ J# c
I say "谬脸".