Meaning of tell that to the marines in English:
tell that to the marines
Translate tell that to the marines into Spanish
phrase
A scornful expression of disbelief.
- ‘most intelligent people will ask him to tell that to the marines’
Origin
From the saying that will do for the marines but the sailors won't believe it, referring to the horse marines, an imaginary corps of cavalrymen serving as marines (thus out of their element).
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