/ˈlɪm.boʊ/
[U, sing.] a situation in which you are not certain what to do next, cannot take action, etc., especially because you are waiting for sb else to make a decision （尤指因等待他人作决定）处于不定状态
the limbo of the stateless person
无国籍人的不安定状态
His life seemed stuck in limbo; he could not go forward and he could not go back.
他的生活好像陷入了不知所措的境地，进退两难。