On gloss:

zo si si zei fa'o in sense "lojban cmavo"
x1 is a nonsense zei-lujvo using parts x2, silly by standard x3.

On grammatical class:

zei
joins preceding and following words into a lujvo.

In notes:

dejyterze'a
z3 is the interest on debt z1=d2 of debtor d1 to creditor d3.
gregori zei nanca
n1 is n2 years in duration by the Gregorian calendar.
jgitrviolino zei konceto
x1 is violin concerto number x2 in key x3 composed by x4 performed by/at x5( event).
jirnytabra
t1=j1 is a/the horn [brass-wind/lip-reed musical instrument; default
kagyseldejni
d2 is/are the indebtedness/liabilities of company/corporation/firm d1=k1 to creditor(s) d3 for the provision of goods /services/loans d4.
ma'u zei ionti
x1 is an cation of radical/(atom of element)x2 with x3 charges.
madyske
s1 (mass of facts) is the study of conduct-governing standards s2=m1 based on methodology s3.
ni'u zei ionti
x1 is an anion of radical/(atom of element)x2 with x3 charges.
paurseldejni
p1 is a bond issued by d1 held by d3.
pipnrpiano zei konceto
x1 is piano concerto number x2 in key x3 composed by x4 performed by/at x5( event).
seldejni
d2 is a/the debt owed by d1 to creditor d3 for provision of goods/services/loans d4.
terdejni
d3 is a creditor that is owed d2 by d1 for provision of goods/services/loans d4.
ze'i zei seldejni
d2 is/are the short-term indebtedness/liabilities of company/corporation/firm d1 to creditor(s) d3 for the provision of goods /services/loans d4.
ze'u zei seldejni
d2 is/are the long-term indebtedness/liabilities of company/corporation/firm d1 to creditor(s) d3 for the provision of goods /services/loans d4.
ionti
x1 is an ion of radical/(atom of element)x2 with x3 charges
konceto
x1 is concerto number x2 in key x3 composed by x4 performed by/at x5( event).
simfoni
x1 is symphony number x2 key x3 composed by x4 performed by/at x5 (event).