Meaning of 公序良俗 in Japanese
Definition of 公序良俗
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(n) public order and morals
これだけ禁煙、禁煙といわれる以上、喫煙というのは公序良俗に反する行為なんだろうね。
There are so many anti-smoking campaigns these days; maybe smoking really is a threat to the public order.