au fait
[,au'fei]
（法）精通的
同义词
参考例子
1.The report found that the CRU scientists would, had they been more statistically au fait, have done some things differently.
调查报告指出，如果CRU事前对统计较为熟悉，他们处理某些事情的方法将会有所不同。
2.Changshu Au Fait Fibre was a state-owned enterprise established in 1984, previous name is as Jiangsu Luyu Chemical Fibre Group Co.
常熟市澳菲纤维有限公司建于1984年，前身为国有集团企业。
3.SCRUM has been around for a while in object-oriented circles, although I'll confess I'm not too au fait with its history or development.
SCRUM在面向对象的周期中已经存在了一段时间，尽管我要承认我对他的历史和开发也不是很熟悉。
英文解释
adj.
1.being up to particular standard or level especially in being up to date in knowledge
网络释义
au fait posted versed
精通的;
au fait conversant familiar well-informed
熟悉的;