murky
adjective uk/ˈmɜː.ki/ us/ˈmɝː.ki/
(DARK/DIRTY)
黑暗的；不清楚的；肮脏的
dark and dirty or difficult to see through
The river was brown and murky after the storm. 暴风雨过后，河水变成了褐色，浑浊不清。
(UNPLEASANT SITUATION)
（形势）复杂难懂的，不明朗的
used to describe a situation that is complicated and unpleasant, and about which many facts are not clear
He became involved in the murky world of international drug-dealing. 他卷入了阴暗复杂的跨国贩毒生意中。
I don't want to get into the murky waters of family arguments. 我不想趟家庭纠纷这道浑水。