pipe dream in Dutch
pipe dream in Dutch
luchtkasteel
(idiomatic, originally, US) A desire or idea which is unlikely to materialize, or a plan which is unlikely to work; a near impossibility. [from late 19th c.]
wensdroom
(idiomatic, originally, US) A desire or idea which is unlikely to materialize, or a plan which is unlikely to work; a near impossibility. [from late 19th c.]