The regulations were out of date and confusing.(那些規定已經過時，而且令人費解。)

To those who are new to this system, it can sometimes be confusing.(對于那些剛接觸這個系統的人來說，它有時會讓人感到困惑。)

When younger kids learn computer science, they learn that it's not just a confusing, endless string of letters and numbers—but a tool to build apps, or create artwork, or test hypotheses.(當更小的孩子學習計算機科學時，他們知道它不僅僅是一串令人困惑的、無窮無盡的字母和數字，而是一種構建應用程序、創作藝術品或驗證假設的工具。)

The high numbers show how very confusing it must be for consumers to sort the true from the misleading.(如此高的數字表明，對于消費者來說去辨別真偽肯定十分費解。)

It's by far the most confusing thing I ever heard!(這是我聽到過的最令人困惑的東西！)

It's so confusing switching to a new system.(轉換到新系統會令人很困惑。)

The instructions were not just confusing, they were positively misleading.(這些指示不單令人迷惑，而且肯定會誤導人。)

Those documents are super confusing.(那些文檔超級難懂。)

The open-data shift poses a confusing problem for junior researchers.(開放數據的轉變給初級研究人員帶來了一個令人困惑的問題。)

It is utterly confusing to me that people do not recognize this, despite the fact that pretty much anyone who has been a student can tell the difference between their best and worst teachers.(人們沒有意識到這一點，這讓我感到非常困惑，盡管幾乎所有學生都能分辨出他們最好和最差的老師。)