As fruit need not only sunshine but cold nights and chilling showers to ripen it, so character needs not only joy but trial and diffculty to mellow it.

• 水果不仅需要阳光；也需要凉夜；寒冷的雨水使其成熟.；人的性格陶冶不仅需要欢乐；也需要考验和困难