Head over heels 这个短语往往被用来形容完全陷入爱情的感觉。

例句

I'm head over heels in love with my new boyfriend – he's wonderful.

I think they'll get married soon - he's fallen head over heels for that girl.

请注意

如果你对某件事情的态度被形容为 digging your heels, 意思就是你的态度非常坚决，不会妥协。

I said I didn't want to go on a beach holiday, but she dug her heels in about it, so I gave in.