出身微贱的 meaning in English

baseborn
lowborn

He is a man of humble origin
他是一个出身微贱的人。
" ah , " said the count , in a somewhat forced tone , " that may be easily explained ; the comtesse de morcerf , who is aristocracy and refinement itself , does not relish the idea of being allied by your marriage with one of ignoble birth ; that is natural enough .
“哦！ ”伯爵用一种稍显勉强的口气说道， “这大概很容易解释，马尔塞夫伯爵夫人是身价最高的贵族，所以不愿意您跟一个出身微贱的家庭联姻那倒是很自然的。 ”