最終更新日:2024/07/07
(idiomatic) to make a promise that cannot be fulfilled. (literally: to promise [someone] the Blue out of the Blue Sky)
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das Blaue vom Himmel versprechen
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das Blaue vom Himmel versprechen
verb
(idiomatic) to make a promise that cannot be fulfilled. (literally: to promise [someone] the Blue out of the Blue Sky)