| 释义 |
You are not cognizant about the facts of life.你还不谙性生活的常识。This argument may seem arcane to those not closely involved in the world of finance.对于那些不谙金融界事务的人而言，这种观点如同天书。I'm not a strong swimmer, so I prefer not to go out of my depth.我不谙水性，所以我不会进入水深超过我身高的区域。 |