1. This is indeed a perplexing problem. 这确实是一个费解的难题。
2. The issues we have raised in this section are among the most perplexing in economics. 本节我们所讨论的这些问题是经济学中最错综复杂的问题。
3. The relation between economic development and morals is a big problem of perplexing current Chinese theoretical circle. 经济发展与道德的关系问题是困扰当今中国道德理论界的一大难题。
英英解释
adj.
1. lacking clarity of meaning; causing confusion or perplexity