?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

covertly

英 / ˈkʌvətli; ˈkəʊvɜːtli /
美 / ˈkoʊvɜːrtli /
adv. 偷偷摸摸地

1. They covertly observed Lauren, who was sitting between Ned and Algie at a nearby table.
他们秘密地观察着邻近桌子上坐在内德和阿尔吉之间的罗伦。
2. She watched him covertly in the mirror.
她从镜子里偷偷地望着他。
3. I looked out to the kitchen covertly.
我偷偷地向厨房望了一眼。
4. Grass, covertly projecting from the earth, is tender and green.
小草偷偷地从土里钻出来,嫩嫩的,绿绿的。
5. It is a double-faced behavior to agree overtly but oppose covertly.
阳奉阴违是一种两面派行为。