Back in June, the Federal Communications Commission fined AT&T $100 million over accusations that the carrier secretly reduced wireless speeds after customers consumed a certain amount of data.
2017年6月四级真题(第二套)阅读 Section A
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
秘密的;机密的;保密的
If something is secret, it is known about by only a small number of people, and is not told or shown to anyone else.
"met secretly to discuss the invasion plans""the children secretly went to the movies when they were supposed to be at the library""they arranged to meet in secret"
2. not openly; inwardly;
"they were secretly delighted at his embarrassment""hoped secretly she would change her mind"