perfectly sound

His reasoning is perfectly sound, but he misses the point.

他的推理完全正确，但是未切中肯綮。

His theory is perfectly sound.

他的理论完全正确.

She is of perfectly sound mind.

她的心神非常清醒.

This record reproduces every sound perfectly.

这个唱片完美地放出声音.

It well may be that your ideas are perfectly sound perhaps even sagacious and your writing as clear as glass.

你的文章概念很可能完全没问题搞不好还相当出色甚至你的内容就像玻璃般表达的一清二楚。

What he had said to her made perfect sense.

他对她说的话非常合乎情理。

He seemed to me perfectly sound and able.

在我看来,他是十分精明能干的.

Always a poignant reminder of winter approaching, today the sound reflected his mood perfectly.

那常常是一种辛酸的提示:冬天即将来临.今天这种悲鸣完全反映了他的心情.