Meaning of 焼け石 in Japanese

Definition of 焼け石

やけいし(yakeishi) 【焼け石】

(n) hot or heated stone
いまさら焦っても焼け石に水じゃないの。
No matter how much you hurry your effort is just a drop in the bucket.

やけいしにみず(yakeishinimizu) 【焼け石に水】

(exp) something bound to fail due to inadequate effort, assistance, etc.; pouring water on a hot stone

いまさら焦っても焼け石やけいしに水みずじゃないの。

No matter how much you hurry your effort is just a drop in the bucket.