<P> In 2013, a psychologist at an Acoustical Society of America conference claimed that "Pad kid poured curd pulled cod" is the trickiest twister to date . </P> <P> Shibboleths, that is, phrases in a language that are difficult for someone who is not a native speaker of that language to say might be regarded as a type of tongue - twist . An example is Georgian baq'aq'i ts'q'alshi q'iq'inebs ("a frog croaks in the water"), in which "q" is a sort of gulping sound . Another example, the Czech and Slovak strč prst skrz krk ("stick a finger through the throat") is difficult for a non-native speaker due to the absence of vowels, although syllabic r is a common sound in Czech, Slovak and some other Slavic languages . </P> <P> The sign language equivalent of a tongue twister is called a finger - fumbler . According to Susan Fischer, the phrase Good blood, bad blood is a tongue - twister in English as well as a finger - fumbler in ASL . </P> <P> One - syllable article is a form of Mandarin Chinese tongue twister, written in Classical Chinese . Due to Mandarin Chinese having only four tonal ranges (compared to nine in Cantonese, for example), these works sound like a work of one syllable in different tonal range when spoken in Mandarin, but are far more comprehensible when spoken in another dialect . </P>

She sells seashells at the sea shore is an example of