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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。

second thoughts

na. 重新考虑;重想

1. I'll wait here. No, on second thoughts, I'll come with you.
我就在这儿等。不,再一想,我还是跟你一起走。
2. I had never had second thoughts about my decision to leave the company.
我从未对离开那家公司的决定有过别的想法。
3. On second thoughts, however, he said that he was so ill-tempered that most of his students avoided making him mad.
但是,他又想了一想,说自己脾气很坏,大多数学生都避免惹他生气。
4. But he is having second thoughts.
不过他有了第二种想法。
5. I'm having second thoughts.
我要考虑再三。