And when your stomach is empty and your mind is full,it's always hard to sleep.

You can never judge a book by its cover.

未来十年是中国半导体发展的黄金窗口期，我们必须抓住。

The poet is the man who translates the emotions of others into words.

真相并不总是美丽的，但它总是必要的。

与病毒的斗争是自然与人类智慧之间的较量。

I want to leave a legacy that goes beyond tennis.

不要拘泥于文字而误解词句，也不要拘泥于个别词句而误解作品完整的意思；能以自己的切身体会去推测作者的本意，这才是懂得了阅读作品的正确方法。