[xuán ér wèi jué]
be in suspense; be [hang] in the scales(s); hang in doubt; hang in the wind [balance]; not yet decided; pending issue [matter, question, problem]; The decision is still hanging.; (sth.) undecided; unsettled; up in the air
outstanding problem
悬而未决的问题
unsettled dispute
悬而未决的争端