limbo
noun uk/ˈlɪm.bəʊ/ us/ˈlɪm.boʊ/
(UNCERTAINTY)
[ U ]悬而未决；停滞不前
an uncertain situation that you cannot control and in which there is no progress or improvement
Until we have official permission to go ahead with the plans we're in limbo. 在该计划得到正式批准之前，我们一直处于停滞状态。
(DANCE)
the limbo 林波舞（源自西印度群岛，舞者向后弯腰钻过逐次降低的横杆）
a dance from the West Indies in which the dancer bends backwards to go under a low bar that is made lower each time he or she goes under it