1. We fill up our lives with meaningless tasks. 我们终日忙忙碌碌，过得毫无意义。
2. Unloved and uncared-for, they live a meaningless hand to mouth existence. 没人疼爱也没人照顾，他们过着一种毫无意义、勉强糊口的日子。
3. These tests were so seriously flawed as to render the results meaningless. 这些测试存在着如此严重的缺陷，以至于使得结果毫无意义。
4. Having been caught doing other things in your class, I know any excuse may be meaningless. 被发现在您的课堂上做其他事情，我知道找借口是没有意义的。
5. Why, experts wail, so many people are willing to waste their lives in the virtual world to solve meaningless puzzles? 专家们悲叹，为何如此多人愿在虚拟世界中为解决无意义的谜题而浪费生命呢？
