adverb
so much; to that extent; like that
Emphasizes the degree or manner of something, often with a sense of surprise or strong impression. Used to refer to something previously mentioned or understood from context.
あんなに練習したのに、試合に負けてしまった。
Even though I practiced so much, I lost the match.
彼があんなに怒るなんて、珍しいね。
It's rare for him to get that angry.