crackjaw

crackjaw

(ˈkrækˌdʒɔː)
adj
difficult to pronounce
n
a word or phrase that is difficult to pronounce
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

crackjaw

(inf)
adj attr word, namezungenbrecherisch
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007