萬事俱備，只欠東風(fēng)（萬事俱備，只欠東風(fēng)）　

◎ 萬事俱備，只欠東風(fēng) wàn shì jù bèi,zhǐ qiàn dōngfēng

[everything is ready,and all that we need is an east wind;all is ready except what is crucial] 指三國時周瑜火攻曹營,一切都準(zhǔn)備就緒,只欠東風(fēng)尚未刮起,不能放火。比喻辦事的其它條件均已成熟,唯一還少一條就能成功