?
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。

waste of time

na. 浪费时间

1. Some might say drawing's a waste of time, but they don't understand how things are.
有些人可能会说画画是浪费时间,但他们不明白事情是怎样的。
2. I think watching TV every evening is a waste of time — there are more meaningful things to do.
我觉得看电视很浪费时间,我们可以利用这些时间做更多有意义的事。
3. This type of worker has confidence in his ability, and is likely to feel that collaboration is a waste of time.
这种类型的员工对自己的能力有信心,可能会觉得合作是浪费时间。
4. You may feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.
你可能觉得所有的训练都是在浪费时间,但我百分之百地肯定,以后你会庆幸你做过这一切。
5. You may feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful for what you did.
你可能觉得所有的训练都是浪费时间,但是我百分之百确定你以后会感激你所做的一切。