同学你好，该知识点来自沪江网校《大学水平直达CATTI二级（笔译+口译）【开学季专享班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学好
同学遇到不懂的词可以先查下字典呢~~~
sound：adj.形容词
【不规则形式】 sounder, soundest
可靠 reliable
1. 明智的；合理的；正确的；可靠的
sensible; that you can rely on and that will probably give good results
a person of sound judgment
判断力强的人
He gave me some very sound advice.
他给了我一些非常合理的忠告。
This gives the design team a sound basis for their work.
这为设计组开展工作提供了坚实的基础。
The proposal makes sound commercial sense.
这项建议从营利的角度看是完全合情合理的。
Their policies are environmentally sound.
他们的政策对环境没有不利的影响。
2. [only before noun] 透彻的；完备的；全面的
good and thorough
a sound knowledge/understanding of sth
对某事透彻的了解 / 理解
He has a sound grasp of the issues.
他对这些问题掌握得很全面。
3. 完好的；健康的；无损伤的；未受伤的
in good condition; not damaged, hurt, etc.
We arrived home safe and sound.
我们安然无恙地到了家。
to be of sound mind (= not mentally ill)
神志健全
The house needs attention but the roof is sound.
房子需要修葺，不过屋顶还完好无损。
4. [usually before noun] 酣畅的；香甜的
deep and peaceful
to have a sound night's sleep
一夜酣睡
to be a sound sleeper
睡得很沉的人
5. 不错的；实实在在的
good and accurate, but not excellent
a sound piece of writing
一篇不错的文章
a sound tennis player
颇具实力的网球运动员
6. 严厉的；重的
severe
to give sb a sound beating
痛打某人一顿
希望有所帮助