1. catch someone's eye 引起某人的注意,吸引某人视线
= to be attractive to someone

The shy man at the back of the class caught my eye.

2. to have a crush on someone 对异性有好感
= to only be able to think about one person

When I was at school, I had a crush on a film star.

3. to have a soft spot for someone 喜欢,有好感
= to have a weakness for someone

She has a soft spot for Richard - he can do anything!

4. to have the hots for someone 迷恋某人
= to find someone very attractive

She's got the hots for the new office manager.

5. to fall for someone 爱上
= to fall in love

He always falls for the wrong types!

6. to fall head over heels for someone 深深堕入爱河
= to completely fall in love

He fell head over heels for her.

7. to be lovey-dovey 卿卿我我
= for a couple to show everyone how much they are in love

They're so lovey-dovey, always whispering to each other and looking into each other's eyes.

8. to have eyes only for 只钟情于某人
= to be attracted to one person only

He's dropped all his old friends, now that he has eyes only for Susie.

9. to be smitten by someone 爱上某人
= to be in love with someone

I first met him at a party and from that evening on, I was smitten.

10. to be the love of someone's life 为某人所爱
= to be loved by a person

He has always been the love of her life.