Idiom Magic:向某人求婚 Seek the hand of someone

【明報專訊】I would guess that nine hundred and ninety-nine in every thousand marriages (婚姻) begin with a man seeking the hand of someone. I say that because this expression refers to a man (usually) asking a girl (usually) to marry him. I speak with less certainty when it comes to insects, but here is Willie asking Prunella a question: "It's about your hands," he said. "I seek them. Will you marry me?"