| 优惠税 preferential duty |
| 优惠税率 beneficial tariff |
| 优惠证 accommodation paper |
| 优惠贷款 concessional loan |
| 优惠贷款率 favoured rate of credit |
| 优惠销售 concessional sale |
| 优抚 give special care to disable... |
| 优柔 leisurely gentle |
| 优柔寡断 irresolute and hesitant |
| 优柔寡断是他失败的原因 Vacillation is the cause of ... |
| 优渥 liberal |
| 优游 leisurely and carefree |
| 优游偃息 lie in easy state |
| 优游卒岁 pass the year in pleasure |
| 优游处之 take things easy |
| 优游岁月 pass one's days in carefree ... |
| 优游自在 be completely free and at ea... |
| 优点 merit |
| 优点和缺点 merits and demerits |
| 优生 aristogenesis |
| 优生优育 give a good birth and good c... |
| 优生学 eugenics |
| 优生学具有生物学上的意义 Eugenics has a biological si... |
| 优生学家 eugenist |
| 优生少生 give better and fewer births |
