sirWiktionary 原文英/sɜː/美/sɜr/n.先生，阁下中文释义来自 ECDICT词源链拉丁语Latin约前 75–公元 3 世纪senior‘older, elder’↓ 派生古法语Old French约 8–14 世纪sire‘master, sir, lord’↓ 派生中古英语Middle English约 1150–1500 年sir↓ 继承英语Englishsir词源说明From Middle English sir, unstressed form of sire, borrowed from Old French sire (“master, sir, lord”), from Latin senior (“older, elder”), from senex (“old”). Doublet of seigneur, seignior, senhor, senior, señor, senyor, signore, and sire.释义名词noun1A man of a higher rank or position.2A respectful term of address to a man of higher rank or position, particularly:3A respectful term of address to an adult male (often older), especially if his name