大惑不解
Beyond comprehension.
Beyond one.
Can make neither head nor tail of.
eg：The government' s policy is beyond comprehension of most of us.
中英俚语俗语来源：庄子·天地：“大惑者终身不解，大愚者终身不灵。”
同义词：莫名其妙 To be at sea.
反义词：心中有数 Know what's what.
