double Dutch

名词 n.

英文释义

名词 n.
  1. Incomprehensible language or speech. uncountable
    — “Tell him I don’t know what he’s talking about. It’s double Dutch to me.”
  2. A language game akin to pig Latin. uncountable
  3. A game of jump rope with two ropes and frequently two jumpers. uncountable
  4. Sex using a condom and the contraceptive pill at the same time. colloquial,uncountable

词源

From double (“twice, i.e. more than”) + Dutch.
For sense 1: Dutch (which historically had a wider meaning) as a foreign language was not easily understood, so anything completely incomprehensible would be double Dutch, i.e. twice as hard as Dutch. Sense 2 expands on this meaning.
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