Collins Chinese Dictionary Plus (3rd edition), 2011:
secretly [ˈsiːkrɪtlɪ]
adv
[act] 秘(祕)密地 mìmì de
[hope] 暗自地 ànzì de
[hope] 暗自地 ànzì de
在这些条目还发现'secretly'：
在英文解释里：
abscond
- disappeared
- duck out
- eavesdrop
- harbor
- have up your sleeve
- hoarded
- in the closet
- inwardly
- laugh up your sleeve
- listen in
- lowkey
- on the side
- on the sly
- oversee
- peep
- privately
- qt
- sneak out
- sneak out of
- spy
- stow away
- sub rosa
- surreptitiously
- under the counter
中文：