Mr. Confucius, official position is a means set for serving the masses. When you are an official, you have to make mental and physical efforts and consume your valuable time accordingly.
孔先生，所谓的官职，是社会设置出来为大众服务的凭借，持有它是要付出心力及劳力，还有时间的。
2
A gallant or chivalrous man, especially one serving as escort to a woman of high social position; a gentleman.
骑士风度的男子英勇的或有骑士风度的男子，尤制护送具有较高社会地位的妇女的人；绅士。
3
With a Elliptic Gears Mechanism serving as a front-position mechanism for the sheave wheel mechanism.