我想和你谈恋爱...英语如何表示啊.

表达“想要”，一般用would like，例如，I'd like to invite you for a dinner tonight.
want是比较孩子气的说法，例如，I want to eat candy.大人就不要用want了，用I'd like to ... I plan to ... I intend to ....

要想谈恋爱，英语很地道地表达：I love you. 呵呵

fall in love with you是我爱上你了 没有要谈恋爱的意思 表白的时候才这么说
如果说想和你谈恋爱 应该说I want to be in a relationship with you.

DATE!这是和情人约会的特定词汇.
所以和情人约会当然是谈恋爱了!

我想和你谈恋爱

I want to date/court you.

I want to go steady with you.

have a love affair with sb

I want to have a love affair with you