willy-nillyyoudaoicibaDictYouDict[willy-nilly 词源字典]
willy-nilly: [17] Willy-nilly originated in the expression will I, nill I, literally ‘whether I wish it or do not wish it’ (nill ‘be unwilling’, long defunct as an independent verb, was formed from will and the negative prefix ne-)
[willy-nilly etymology, willy-nilly origin, 英语词源]
willy-nillyyoudaoicibaDictYouDict
c. 1600, contraction of will I, nill I, or will he, nill he, or will ye, nill ye, literally "with or without the will of the person concerned." See nill + will (v.1).