self-obsessed
🇺🇸
/ˌself əbˈsest/
🇬🇧
/ˌself əbˈsest/
someone who is very focused on themselves and their own interests, often to the point of ignoring others
She's so self-obsessed that she can't see how her actions affect others.
彼女は自分自身に夢中になりすぎて、自分の行動が他人にどのように影響するかを見ることができません。