顰蹙 ひんしゅく
hinshukuo kau

Godan Verb (u)
Idiomatic Expression

1. to be frowned on; to invite frowns of disapproval; to displease (people); to disgust

半角 はんかくカタカナをインターネット じょう いろんな ところ使 つかえば、いつか顰蹙 ひんしゅくをかいまくる ことになるよ。
hankakukatakanao intānettojōno ironna tokorode tsukaeba itsuka hinshukuo kaimakuru kotoni naruyo.
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.
Other forms: