cy zei bangu zei-lujvo

x1 is the C language used by x2 to express/communicate x3 (si'o/du'u, not quote).

On affix form:

bangu
x1 is a/the language/dialect used by x2 to express/communicate x3 (si'o/du'u, not quote).
zekri
x1 (event/state) is a punishable crime/[taboo/sin] to people/culture/judges/jury x2.

In definition:

cmapagjvo
x1 (text) is a lujvo with meaning x2 and arguments x3, and which is constructed from tanru/veljvo x4 such that each element of the veljvo is ultimately only a cmavo (including "{zei}", "{ke}"/"{ke'e}", "{bo}", etc.), gismu, or rafsi of such cmavo or gismu.
zejvo
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
luvrzei
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
zeiljvo
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
zo si si zei fa'o
x1 is a nonsense zei-lujvo using parts x2, silly by standard x3.

In notes:

djecacrytcika
x1 (number) is the hour/hour notation of the day, of event/state x2, in system x3.
metnidytcika
x1 (number) is the second/second notation of the minute, of event/state x2, in system x3.
temjudri
x1 is a point on time axis, of event/state x2, in system x3.
xilvidru
v1=x1 is a rotavirus of species/breed/defining property v2 capable of infecting [at] v3.
li'ai (exp!)
unevaluated mekso as name.
se'u'o (exp!)
selbri conversion question
tai'u
(something which approximately has) the abstract shape of the symbol for the previous construct
te'i (exp!)
at a point on time axis
casnce
x1 is a voiceless postalveolar sibilant fricative sound produced by x2.
utc
name: UTC, Universal Coordinated Time (time standard)