confusing

The layout of the old airport was so confusing that many passengers missed their flights.

(Chinese) 老机场的布局太令人困惑了，以至于许多乘客错过了航班。

Using too many technical acronyms can make a simple explanation confusing for an audience.

(Chinese) 使用太多技术缩写会使简单的解释让观众感到困惑。