bollix (v.)youdaoicibaDictYouDict[bollix 词源字典]
"bungle," respelling (perhaps euphemistic) of bollocks, plural of bollock "testicle," from Old English beallucas "testicles," from Proto-Germanic *ball-, from PIE *bhel- (2) "to inflate, swell" (see bole). Related: Bollixed; bollixing.[bollix etymology, bollix origin, 英语词源]