881 ? - 2018-05-08 - ????????? ??????
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SCMP 6/5/2018
Peking University chief apologises after muddying motto with mispronunciation
www.scmp.com/news/china/society/article/2144833/ive-learned-it-hard-way-peking-university-chief-apologises-motto
AsiaTimes 7/5/2018
PKU president left red-faced by ‘illiterate’ blunder
www.atimes.com/article/pku-president-left-red-faced-by-illiterate-blunder/