wú qī
unspecified period
in the indefinite future
no fixed time
indefinite sentence (i.e. life imprisonment)
yáo yáo wú qī
far in the indefinite future (idiom); so far away it seems forever
hòu huì wú qī
to meet again at unspecified date
meeting postponed indefinitely
wú qī bié
to part for an unspecified period
to take leave from indefinitely