chop-chop (adv.)youdaoicibaDictYouDict[chop-chop 词源字典]
"quickly," Pidgin English, from Chinese k'wa-k'wa (see chopstick).
CHOP. A Chinese word signifying quality; first introduced by mariners in the Chinese trade, but which has now become common in all our seaports. [Bartlett, "Dictionary of Americanisms," 1848]
[chop-chop etymology, chop-chop origin, 英语词源]