notice, realize
彼はあなたのミスにきっと気付くでしょう。
He’ll definitely notice your mistake.
時計はクララの物だとニコが気付くと思ったのね
You thought Nico would realize that the watch belonged to Clara, huh?
— 嵐の中で (2018)
まもなく彼は誤りに、気付くだろう。
He will soon realize his mistake.
歌詞を見てみれば、あまり意味が無いことに気付くでしょう。
If you look at the lyrics, you'll notice that they don't really mean much.
だけどうンだぜ普通気付くだろ
But you'd normally notice, wouldn't you?
— The Garden of Sinners: Paradox Spiral (2008)