covertly 

英汉解释

adv. 秘密地；偷偷摸摸地

反义词

r.   overtly

参考例句

1. Is you covertly goes to and her appointment feared the wife bumps into woman.
就是你偷偷摸摸地去和她约会又怕妻子撞见的女人。
2. I spent the summer and autumn of 1999 in Tibet and its border areas covertly interviewing people from all sides of the political and ethnic divide, sometimes through a translator.
花了1999年夏天和秋天，我有时通过一个翻译，在西藏和其边境地区秘密的访问了来自不同政治和种族文化圈的人。
3. China's newest long-range strategic cruise missile is based on a Ukrainian cruise missile built for the Soviet Union and covertly transferred to China, according an Australian think tank.
据澳大利亚一家智库透露，中国最新型远程战略巡航导弹是在苏联时期制造的、后归乌克兰所有的巡航导弹基础上研制的，后者被秘密运到中国。

英英解释

adv.
  1. in a covert manner

网络释义

covertly
偷偷摸摸地; 隐蔽;
covertly slinkingly
偷偷摸摸地;
overtly agree but covertly oppose
阳奉阴违;