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- Rumor has it that he is a rather difficult sound engineer. 人们都说那个录音师很难相处。
- Children first acquire the sounds found in all languages of the world, no matter what language they are exposed to, and in later stage acquire the “more difficult” sounds. 儿童无论处于何种语言环境，他们最初习得的语音是全世界各种语言所共有的，而一些“较难”的语音则在以后阶段习得。
- A sound mind is inseparable from a sound body. 健全的精神是与健康的身体是不可分割的。
- It must be difficult to play various personae in the same movie. 在同一个电影中扮演不同的角色肯定不容易。
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- He has told a story which sound not objective. 他讲了听起来不真实的一个故事。
- It is difficult to express it in terms of science. 要用科学的字眼来表达它是很困难的。
- It was difficult to gauge how people would respond. 大家的反应如何难以估计。
- I caught a curious sound in the neighboring room. 我听到隔壁房间里有奇怪的响声。
- She handled a difficult argument skilfully. 她巧妙地应付了一场艰难的辩论。
- I was awakened by the sound of church bells. 我被教堂的钟声吵醒。
- The sound of danger gives wings to his flight. 危险的信号加速了他的逃跑。
- I quivered with fear at the sound. 我听见那种声音就吓得发抖。
- He find it difficult to give shape to his idea. 他觉得很难把他的想法，明确表达出来。
- Her mouth open and shut, but no sound come out. 她的嘴张开又闭上了，没有发出声音。
- It is difficult to decide between the two opinions. 在这两种意见之间抉择是困难的。
- I have got accustomed to noisy sound. 我已习惯于嘈杂声音。
- It is difficult to keep on terms with such a man. 很难和这样的人保持友好关系。
