tcekitau fu'ivla

x1 relates to/is an instance of ce-ki-tau dialect x3 in aspect x2

ce-ki-tau dialects are a class of Lojban word-swapping dialects in which infrequently-used short cmavo (typically CV or CVV) are swapped with commonly used long cmavo (CV'V). There are several ce-ki-tau dialects, such as 2 to communicate x3 (si'o/du'u)">tcekitaujau. See bankle and banckle.

In notes:

jboponei
x1 relates to/is an instance of jboponei dialect in aspect x2
lelde
x1 is the particular/specific instance(s) of x2 (ka) relevant to the discourse; x1 is "the" x2
pai'i (exp!)
Digit/number: pi (denoted "π"; approximately 3.1416...); the constant defined by the ratio of the circumference to the diameter of all circles in Euclidean space.