弄不清楚的英文：
mystification

I can't make out how to use this computer.
我弄不清楚如何使用这台计算机

I can't ferret out how to work the machine.
我弄不清楚如何开动这台机器。

Mr. chan refuses works of mannerism and mystification.
陈颖杜先生拒绝矫揉造作、故弄玄虚的文学作品。