充沛的写作词汇储备能让你的雅思作文更加出彩。新东方在线雅思频道为大家收集了雅思写作常用词汇：隐私/知情的，供大家学习参考。

　　privy[隐私/知情的]/private

　　-eg: Cellphone nowadays plays a prominent role in our life, with which parents are not privy to childrens' conversations.;

　　egoistic[自私的]

　　-eg: With strong backing, there might be a high likelihood of you becoming egoistic.