It's no use crying over spilt crude oil.

As For "spill the beans",it means to divulge a secret.In 1971, "Nishiyama incident 西山事件" happened. Nishiyam was the corespondent of the Newspaper"Mainich shinbun(毎日新聞).At that time, occupied "Okinawa(now there is serious disagreement between Japanese ministers and U.S government about Army facilities )"was due to be returned to Japan from U.S.Japanese and U.S governments had a secret about the burdensome cost for the land owners. Nishiyam approached to the female staff of foreign minister and had an affair with her. She leaked the secret that Japanese government would pay compensation to the landowners in stead of U.S.He leak the secret to the opposite socialist party.He seemed successfully to have an influence on politicians.
 .But this brought Mainich Newspaper a crisis after that.
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