covertly

副詞

1. 1

   暗中、秘密地

   The agency covertly monitored the group's financial transactions for months.

   該機構暗中監控這個組織的金融交易長達數月。

2. 2

   偷偷地、悄悄地

   She covertly checked her phone under the table during the meeting.

   開會時她在桌子底下偷偷看手機。