劍橋詞典

double Dutch noun [U] (NONSENSE)

UK informal
talk or writing that is nonsense or that you cannot understand
衚說(shuō)，衚言亂語(yǔ)

double Dutch noun [U] (GAME)

US
a game played by jumpimg up and down through two ropes that are being turned by two people holding the ends
交互花式跳繩 返回 double Dutch