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expressions (phrases, clauses, etc.), Godan verb with 'u' ending
to be frowned on, to invite frowns of disapproval, to displease (people), to disgust
idiomatic expression-
半角カタカナをインターネット上の色んな所で使えば、いつか顰蹙をかいまくる事になるよ。
If you go around the Internet, using half-width katakana in various places, eventually you're going to end up pissing off a lot of people.
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