gentleman
/ˈdʒentlmən/noun
(pl. -men /-mən/)
1
- a chivalrous, courteous, or honourable man彬彬有礼的人, 有教养的人, 绅士：
he behaved throughout like a perfect gentleman.
他自始至终表现得像个完美的绅士。
1.1
- a man of good social position, especially one of wealth and leisure有身份的人, 尤指有钱又有闲的人。
1.2
- a man of noble birth attached to a royal household出生高贵的人, 与王室有亲缘关系的人：
a Gentleman of the Bedchamber.
君主内宫侍臣。
2
- a polite or formal way of referring to a man［对男子的礼貌称呼］ 先生：
opposite her an old gentleman sat reading.
在她对面有一位老先生坐在那里看书。
2.1
gentlemen
used as a polite form of address to a group of men［对数名男子的礼貌称呼］先生们：'Can I help you, gentlemen?'
“先生们, 要我帮忙吗？”
2.2
- used as a courteous designation for a male fellow member of the House of Commons or the House of Representatives［对下议院或众议院男性议员同僚的礼貌称呼］：
the Right Honourable Gentleman opposite.
（坐在我）对面的议员阁下。
词源
Middle English （in the sense 'man of noble birth'）： from GENTLE1 + MAN, translating Old French gentilz hom. In later use the term denoted a man of a good family (especially one entitled to a coat of arms) but not of the nobility.