yáo​yáo​wú​qī

far in the indefinite future

Senses

遥遥无期/ 遙遙無期 yáo​yáo​wú​qī (also yáo​yáo​wú​qí) far in the indefinite future

(idiom) so far away it seems forever; having no definite date or end in sight, often suggesting that a desired outcome is unlikely to happen soon

References

antonym 为期不远/為期不遠 遥遥无期/遙遙無期
antonym 指日可待/指日可待 遥遥无期/遙遙無期