perplex 六级考研雅思GMAT

1.Long-term since, drinking water is perplexing us filthily.

长期以来,饮用水不洁扰着我们。

2.He perplexed me with this problem.

他用个问题住了我。

3.The professor is never at a nonplus, and never perplexed by a problem.

那位教授从来不会感到惑，也不会被任何问题所。

4.This problem perplexes me.

个问题使我迷惑不解。