?
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。

apprehensive
GRE

英 / ˌæprɪˈhensɪv /
美 / ˌæprɪˈhensɪv /
adj. 忧虑的;担心的;疑惧的;恐惧的

1. You have no reason to be apprehensive of the future.
你没有理由忧虑未来。
2. People are still terribly apprehensive about the future.
人们对未来依旧极为担心。
3. She was deeply apprehensive that something might go wrong.
她很担心可能要出什么差错。
4. I was a little apprehensive about the effects of what I had said.
我有点担心我说过的话的后果。
5. There was something in the tone that made Tom apprehensive.
这语气让汤姆感到不安。