Word Meaning 馬の骨

こいつはどこの馬の骨だ？

Who's this nobody?

結婚直前、泥酔の父親は「何処の馬の骨か解らん奴に娘をやれん！」と花婿に怒鳴りつけた。

Just before the wedding, the drunken father shouted at the groom: "I won't hand out my daughter to some stranger!"

「手塩にかけて育てたうちの芽衣をどこの馬の骨かもわからないような奴に、ほいほいやれるか！結婚したいなら、釣書を持ってこい。釣書を！」「はい。持ってきました」「かせっ。えっ、学歴、タトエバ医大、医学部卒。勤務先、タトエバ総合病院。役職、助教授」「まぁ、入りたまえ。おい、お酒を持って来い。早くしろ」

"I've brought Mei up by my own hand. You think I'd give her up so easily to some stranger from who knows where? If you want to marry her, bring me a statement of your qualifications." "Of course. I've brought it with me." "Give it to me. Huh. Academic background: Tatoeba Medical School, graduate. Place of work: Tatoeba General Hospital. Position: Assistant Professor." "Well then, come on in. Hey, bring some sake! On the double!"