I've been in love with her for ages

我已和她相恋年年岁岁

in love with爱上

例句：

Working with Ford closely, I fell in love with the cinema.

与福特的密切合作开始令我爱上了电影。

Anyone would think you were in love with the girl.

谁都会以为你和那个姑娘恋爱了。

During the filming, Curtis fell in love with his co-star, Christine Kaufmann.

在电影摄制过程中，柯蒂斯爱上了同他联袂主演的明星克里斯汀·考夫曼。

Iimproviseda little bit

对着她信口胡诌

Improvise vt.& vi.即兴创作； 临时提供，临时凑成；

例句：

They show no disposition to improvise or to take risks.

他们不愿意临时凑合或冒险。

Sometimes I improvise and change the words because I forget them.

有时，我临场发挥改了词，因为我把原来的词给忘了。

I then begin to improvise melodies vocally.

接着我开始哼起即兴创作的旋律。