mass noun
1
- (in some Christian beliefs) the supposed abode of the souls of unbaptized infants, and of the just who died before Christ's coming（某些基督教信条中所说的）地狱边缘（指基督降生前未受洗的婴儿和死去的好人居住的地方）。
2
- an uncertain period of awaiting a decision or resolution; an intermediate state or condition悬而未决的时候; （惴惴不安地）等待结果的时候; 进退两难的中间阶段; 不知如何是好的尴尬处境：
in limbo, waiting for people to decide what to do.
惴惴不安地等待人们决定该做什么。
2.1
- in sing. a state of neglect or oblivion被忽略（或被遗忘）的状态：
children left in an emotional limbo.
被遗忘在感情沙漠里的孩子们。
词源
late Middle English: from the medieval Latin phrase in limbo, from limbus 'hem， border， limbo'.