|
疑 |
yí nán | hard to understand / difficult to deal with / knotty / complicated |
|
疑 |
yí nán wèn tí | knotty problem / intractable difficulty |
|
盘 |
pán gēn cuò jié | twisted roots and intertwined joints (idiom); complicated and very tricky / knotty and deeply-rooted difficulties |