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- Don't involve yourself in unnecessary expense. 勿做不必要的花费。
- All this is totally unnecessary. 所有这些完全都是多余的。
- Don't burden yourself with unnecessary problems. 勿为不必要的问题所累。
- There is no question of overlap between the two courses. 这两门课程之间不存在重叠的问题。
- There is a small overlap between the two circles. 在这两个圆周有一小部分重叠。
- The referee penalized the team for unnecessary roughness. 这个队因行为粗鲁而受到裁判的处罚。
- I'm sorry you've had a wasted (ie unnecessary, fruitless) journey. 很遗憾你白跑了一趟。
- You shouldn't expose the soldiers to unnecessary risks. 你不应该让士兵们冒不必要的危险。
- For as much as many knew this, further explanation is unnecessary. 既然很多人知道此事，没有必要作进一步解释了。
- Will you prune off the unnecessary adjectives in the passage? 把这段文字中不必要的形容词删去好吗?
- For milder weather, caps and mittens are unnecessary. 天气比较暖和时,没有必要戴帽子和连指手套。
- Will you prune away the unnecessary adjectives in the passage? 把这段文字中不必要的形容词删去好吗?
- I can't subscribe to unnecessary killing. 我不能同意不必要的杀戮。
- I shall like to say how much I disapprove of taking such an unnecessary step. 我想表明我很不赞成采取如此不必要的步骤。
- It's very foolish of the commander to expose his men to unnecessary risks. 这个指挥官让士兵们冒不必要的危险真是太愚蠢了。
- You should avoid unnecessary repetition. 你应避免不必要的重复。
- It is unnecessary to argue with him. 和他辩论此事是不必要的。
- Overlapping or crossing, as the wings of some insects when at rest. 重叠的，交叉的某些昆虫休息时其翅膀重迭的或交叉的
- Meeting at the edges without overlapping, as some petals do. 镊合状的在没有重叠的情状下边上镊合的，例如花瓣
- It relieved him of his unnecessary anxieties. 这使他消除了不必要的焦虑。
