covertly
🇺🇸
/ˈkəʊvɜːrtli/
🇬🇧
/ˈkʌvətli/
adverb
R
in a secretive manner, not openly visible
She watched him covertly in the mirror, trying to figure out his intentions.
她偷偷地在镜子里观察他，试图弄清楚他的意图。
translation
秘密地