He is a man of apparently boundless optimism. 他显然是一个极度乐观的人。
The masses have boundless creative power. 群众有无限的创造力。
I admire her boundless energy. 她那使不完的精力令我羨慕。
An individual is only a tiny grain in the vast sea;it is the masses of people that are the boundless ocean. 个人只是沧海的一粟,人民群众才是无垠的大海。
The notion advocated by Buddhism, boundless compassion and uncontainable pity, is the best method to set up a harmonious relation between persons. 如果我们对包括自身在内的一切生命个体都保持平等和爱恋，无缘大慈，同体大悲，那么，世界将会变得更加美好。