| 释义 |
🔑sirsir /sər / noun used as a polite way of speaking to a man, especially one of higher social or military rank than you, or one whose name you do not know（对男子的尊称，尤用于地位较高或不知其名的男子）先生◆Good morning, sir.早上好，先生。◆Excuse me, sir – is this your briefcase?对不起，先生，这是您的公文包吗？◆Dear Sir / Dear Madam: ... (= used at the beginning of a formal letter to a person that you do not know) 尊敬的先生／尊敬的女士：（正式信函开头，用于不知收信人为何人的情况下） ➡ look at ma'am |