?
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。

unacquainted
GRE

英 / ˌʌnəˈkweɪntɪd /
美 / ˌʌnəˈkweɪntɪd /
adj. 不熟悉;无经验

1. I was then totally unacquainted with his poems.
那时我完全不知道他的诗。
2. Tom was at sea—a Great Seal was something which he was totally unacquainted with.
汤姆很茫然——御玺这东西,他根本就不认识。
3. But now, I feel a little unacquainted with the people in this new dorm.
在所有人都认为悲剧开始的时候,我开始了全新的生活。
4. Wholly unacquainted with the world in which they are so fond of meddling.
对他们如此喜欢干预的世界一无所知。
5. Tom was at sea-a great seal was something which he was totally unacquainted with .
汤姆茫然不知说什么才好--国玺这东西,他是从来没有听说过的。