未定之天

Explanation: Metaphor to not been available or have not decided yet. 　　Usage: Partial official; as object; that the time has not yet decided 　　Source: Qing Wen Kang, "Hero and Heroine," the tenth time to take advantage of things back to Morrow in the success or failure of undetermined leave their first point. " 　　Examples: It is also ~, you busy with what? ★ Zhou Libo, "Storm" Part II