1. Happiness enjoyed alone is a pleasure, so is sorrow tasted privately. 独享欢乐是一种愉快，独自忧伤也是一种愉快。
2. When you need to reprimand a student, do it quietly and privately (in their ear). 如果你要斥责一个学生，在私底下解决（在他们耳边）。
3. Most of the lands containing metals were already privately owned, but the government retained large deposits of coal, phosphates and oil. 含有金属矿藏的土地大部分已归私人所有，但政府保留了大量的煤炭、磷酸盐石油矿藏。
英英解释
adv.
1. kept private or confined to those intimately concerned
2. by a private person or interest
