表达

There's no such thing as a free lunch.
天下没有白吃的午餐。

There's no rose without a thorn.
没有无刺的玫瑰。

There is nothing new under the sun.
太阳底下没有新鲜事。

There is no smoke without fire. / Where there's smoke there's fire.
无火不冒烟。/ 有烟的地方一定有火。

There is no royal road to learning.
学问之道无王者之路。

There is no garden without its weeds.
没有不长杂草的花园。

There is no fool like an old fool.
老年人最出不得丑。

There is no accounting for taste.
人的喜好是无法解释的。

There is many a true word spoken in jest.
戏言里每每含有真话。

There is many a good tune played on an old fiddle.
老琴也可以奏出许多优美曲调。

There is a black sheep in every flock.
每群羊中总有只黑羊。

There are two sides to every question.
每一个问题都有两面。