puzzle(d)

1.puzzled是过去分词用作形容词，后面可以接以that，how或what等词引导的从句。例如：You seemed puzzled that the conjuror had produced a rabbit out of a cap.和The children are puzzled how the world came into being.

2.关于a puzzled look（困惑的神情）等，参见much 3 (5) E