the art.那;这;这些;那些adv.(用于比较级前)更加;用于最高级前;(用于形容词、副词比较级前)越...越...
详细释义
Adverb:
in secrecy; not openly;
"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"