[万事俱备,只欠东风 / 萬事俱備,只欠東風, wàn shì jù bèi, zhǐ qiàn dōng fēngㄨㄢˋ ㄕˋ ㄐㄩˋ ㄅㄟˋ, ㄓˇ ㄑㄧㄢˋ ㄉㄨㄥ ㄈㄥ] everything is ready, all we need is an east wind (成语 saw); lacking only one tiny crucial item
[かける, kakeru] (v1, vi) (1) to be chipped; to be damaged; to be broken; (2) to be lacking; to be missing; (3) to be insufficient; to be short; to be deficient; to be negligent toward; (4) (also 虧ける) (of the moon) to wane; to go into eclipse; (P)#9233