Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
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The equivalents of the English saying "That's Greek to me" are "This appears to be Spanish" (German), "This is Chinese to me" (Dutch), "It's German to me" (Philippines), "It's Hebrew" (Finnish), "It's Chinese to me" (Hebrew), "Sounds like Mars language/These are chicken intestines" (China).
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The word "listen" contains the same letters as "silent."
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Thinking in a foreign language makes decisions more rational.
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TYPEWRITER is the longest word that can be made using the letters only on one row of the keyboard.
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The Danish word for condom is 'svangerskabsforebyggendemiddel'.
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