Definition: without allowing other people to know Level: B1
她说她不在乎这件事，但我相信她暗自高兴。
She said she didn't care about it, but I believe she was ___secretly delighted.
他是根据秘密录制的电话通话证据被定罪的。
He was convicted on the evidence of ___secretly recorded telephone conversations.
然后晚上我们会偷偷去她家。
Then in the evening we'll come to her house ___secretly.
