Midas wants to unite the kingdoms by marrying me to his daughter.迈达斯想让我娶他的女儿以此来统一整个王国
marry to/off:
把(女儿等)嫁出
She is marry to a prospective lawyer.
她嫁给了一个未来的律师。

You were right to turn down that offer,你拒绝那个婚约是对的
turn down:拒绝
His proposal was turned down.
他的提议被拒绝了。

grain:谷物

merchant:商人

dowry:嫁妆

dung:粪肥