lickety-split
adverb /ˌlɪkəti ˈsplɪt/
/ˌlɪkəti ˈsplɪt/
(North American English, old-fashioned, informal)- very quickly; immediately
急速地;立即 词源early 19th cent. (in the phrase as fast as lickety ‘at full speed’): from a fanciful extension of lick + the verb split.