On gloss:

cabna
x1 is current at/in the present of/during/concurrent/simultaneous with x2 in time.

In definition:

caba'o (comp!)
time tense: has been, is now in the aftermath of; (tense/modal).
caca'o (comp!)
time tense: is now/simultaneously, is now in the middle of; (tense/modal).
caku (comp!)
Now. At the present time.
capu'o (comp!)
time tense: is going to, is now just about to, is now anticipating; (tense/modal).
cazi (comp!)
right now
cazu (comp!)
nowadays, wide sense of "now"
temkluza
x1 has time to spare; the time from now to when x1 can no longer come closer to completion is long
temtagji
x1 is pressed for time; the time from now to when x1 can no longer come closer to completion is short
fa'oi (exp!)
sentence fence: the speaker is done speaking and signals to the addressee that they may now speak up if they so desire.
fe'oi (exp!)
Vocative: Fin, the end, you may applaud now, conclusion; story ending or punchline marker
moi'o (exp!)
x1 is the PA-th date/time of unit x2 (si'o) counting from x3 (default: now) by calendar x4
nau'u (exp!)
what is now; refers to current space/time/situation reference absolutely
uo'o (exp!)
savoring the now (wishing time would stand still) - patience/indifference toward time passing - impatience (wishing time would move faster)
ca'abna
x1 happens now
goilbi'o
x1 (goilka'i variable) changes value to now represent x2
itca
x1 is now/happens/occurs now.
tcanapu
x1 (node/vertex/station) is backward of/along from x2 in oriented graph x3 (graph with orientation) using oriented edge path x4 (ordered sequence of ordered pairs; oriented edges). The path from x2 to x1 along the (now-unoriented version of the) edges used in x4 is counter/against/upstream of the orientation of x3 (and/or given by the oriented version of x4).

In notes:

tese (comp!)
(3, 1, 2)rd conversion
cidytsecorci
x1 kneels/genuflects with meaning x2 on surface x3 on/with limb(s) x4 of body x5.
cocyborcidytse
x1 kneels/genuflects with meaning x2 on surface x3 on/with limb(s) x4 of body x5.
fancysuksa
function f1 is discontinuous/abrupt/sharply changes locally (in output) on/at s2 (set), with abruptness of type x3 (default: 1)
jbovlazbakamnandu
x1 is the difficulty of Lojban word-making.
ku'arkydicka'u
x1 is measures equal to/is a quantum negative electric charge [-e/3; electric charge of a down quark] in electric charge, under signum convention x2 (default: proton has charge equal to -3 times this unit).
tsajoible
x1 is strong/robust and weak/vulnerable in property/quality/aspect x2 (ka) by standard x3.
turne'i
x1 is a descendant of x2 in hierarchy x3
turnersei
x1 is a descendant of x2, x3 levels down from it, in hierarchy x4
tursei
x1 is x3 (undirected) hops away from x2 in graph x4
dzoli
x1 is recursively related to x2 by applying x3 (number) levels-of-recursion of the predicate-relation x4 (ka with two ce'u)
jbobo
x1 reflects jbobau language/culture/nationality/community in aspect x2
rakle
x1 is an atomic element in group x2 [usually, vertical column; denotes electron configuration and, thereby, chemical similarity with vertical neighbors] and period x3 [usually, horizontal row; denotes similarity in size with horizontal neighbors, as well as having the same number and type of electron shells as them] and belonging to other 'class'/'category'/'type'/having other properties x4 according to scheme/organization pattern/standard/periodic table x5.
rirli
x1 is realistic/sane (colloquial sense)/pragmatic/practical/typical/frequent/fairly probable/deemed to be likely to actually happen in real-life (as opposed to in a flight of fantasy or being merely possible but unlikely/abnormal) according to judge x2 and under external conditions/rules for judgment/considerations x3
ronte
x1 is a rodent [can be a member of eutherian mammal Rodentia; semantic broadening might subjectively generalize the concept somewhat] of subtaxon/type/genus/species/breed/variety x2.
boi'e'u (exp!)
mekso operator/function terminator (in Polish notation): inserts exactly enough "{boi}"'s consecutively so as to terminate the most recently uttered operator/function in a mekso expression
kau'ai (exp!)
Microdigit-spanning endianness binary-toggle.
kau'au (exp!)
Macrodigit-spanning endianness binary-toggle.
po'i'oi (exp!)
mekso at-most-3-ary operator: convert to polynomial; X1 (ordered list of algebraic structure (probably field) elements) forms the (ordered list of) coefficients of a polynomial/Laurent-like series with respect to indeterminate X2 under ordering rule X3 (default for finite list: the first entry is the coefficient of the highest-degree term and each subsequent entry is the next lesser-degree coefficient via counting by ones and wherein the last entry is the constant term)
sai'ei (exp!)
turns PA into CAI; intensity attitude modifier expressed by a mekso.
si'i'oi
Marks discontinuity in story time.
zau'e (exp!)
vocative: go! / come on! / get on it! / let's!
efku
x1 is recursively related to x2 by applying x3 (number) levels-of-recursion of the predicate-relation x4 (ka with two ce'u)
eikse
x1 is a former/previously was but no longer is/used to be (a) x2 as of time x3 according to standard x4; x1 is an ex-x2.
ratniklesi
x1 is an atomic element in group x2 [usually, vertical column; denotes electron configuration and, thereby, chemical similarity with vertical neighbors] and period x3 [usually, horizontal row; denotes similarity in size with horizontal neighbors, as well as having the same number and type of electron shells as them] and belonging to other 'class'/'category'/'type'/having other properties x4 according to scheme/organization pattern/standard/periodic table x5.
refkusi
x1 is recursively related to x2 by applying x3 (number) levels-of-recursion of the predicate-relation x4 (ka with two ce'u)
turnela
x1 is a child of x2 (one level below it) in hierarchy x3
turtuba
x1 and x2 share common parent x3 in hierarchy x4
vensraitu
x1 is Spring time/vernal [warming season] in the northern hemisphere and Autumn/autumnal [cooling season] in the southern hemisphere of year x2 and for celestial body x3.
xaudbo
x1 is \sqrtA = \sqrt2×5 [decimal: 1\times10+(1/2)] of x2 in dimension/aspect x3 (default is units).
kuardicka'u
x1 is measures equal to/is a quantum negative electric charge [-e/3; electric charge of a down quark] in electric charge, under signum convention x2 (default: proton has charge equal to -3 times this unit).