be sweet on; fall in love with

1. 他以為她愛(ài)上他，但只是夢(mèng)想而已。
   He thinks she is in love with him, but it's only a dream.
2. 我愛(ài)上的總是深褐色頭發(fā)、淺黑色皮膚的白種女子，這是我的緣分。
   It's my karma always to fall in love with brunettes.
3. 我一見(jiàn)鐘情地愛(ài)上了他。
   I fell in love with him at the first sight.
4. 他知道這女孩是他一見(jiàn)就會(huì)愛(ài)上的那一種。
   He knew the girl was the type he fell for at first sight.
5. 他愛(ài)上那位美麗的姑娘是很自然的事。
   It is natural that he should fall in love with such a beautiful girl.

上的英語(yǔ)翻譯：