Only One Eye to Settle On 一眼就看中
The girl found the go-between and said, "You cheated me ! One of his eyes is not true. Why didn't you tell me this before ?"
"I have told you. " said the go-between with justice on his side, "When you met first, I told you that he settled on you with one eye. "
Notes:
(1) go-between n.媒人
(2) settle on选定;决定