I feel a casual way to express is the word "crush"
Like, I have a crush on you
就是我对你心动 有点怦然心动的感觉
瞬间想到怦然心动的台词 很多人都知道
Some of us get dipped in flat, some in satin, some in gloss. But every once in a while you find someone who's iridescent, and when you do, nothing will ever compare.