Obfuscate - 使困惑，使模糊，使难懂
用 obfuscate 造一个简单的句子：
The fog can obfuscate your view of the road while driving.
开车时，雾会使你看不清楚道路。
用 obfuscate 造一个不那么简单的句子：
He intentionally employs jargon and complex terminology in order to obfuscate the issue.
他故意使用行话和复杂的术语来混淆问题。
conundrum - 难题，谜团
She has a conundrum regarding which job offer to accept.
她面临难题，不知道该接受哪份工作的邀请。
A conundrum is a type of problem that is more challenging to resolve.
【难题】是一种更具挑战性的【问题】。