funca -fun-fu'a- gismu

x₁ (event/property) is determined by the luck/fortune of x₂; (note mabla/zabna not implied). x₁ is determined by chance.

In notes:

cunso: x₁ is random/fortuitous/unpredictable under conditions x₂, with probability distribution x₃.
mabla: x₁ is execrable/deplorable/wretched/shitty/awful/rotten/miserable/contemptible/crappy/inferior/low-quality in property x₂ by standard x₃; x₁ stinks/sucks in aspect x₂ according to x₃.
zabna: x₁ is favorable/great/superb/fabulous/dandy/outstanding/swell/admirable/nice/commendable/delightful/desirable/enjoyable/laudable/likable/lovable/wonderful/praiseworthy/high-quality/cool in property x₂ by standard x₃; x₁ rocks in aspect x₂ according to x₃
funjdi: j₁ decides/makes a decision j₂ (du'u) about j₃, whose outcome is determined by luck.
gaurtcini: t₁ is an opportunity for t₂=g₁ to do g₂.
gunrivzu'e: x₁=z₁=r₁=g₁ procrastinates/avoids doing work x₂=r₂=g₂ (ka), instead doing x₃=r₃ (ka).
malfu'a: f₁=m₂ (event/property) is determined by the bad luck/fortune of f₂.
malselfu'a: f₂ is unlucky/unfortunate in f₁=m₂ (event/property).
selfu'a: f₂ is dependant on luck/fortune for f₁=z₂ (event/property).
zanfu'a: f₁=z₂ (event/property) is determined by the good luck/fortune of f₂; x₁ is a case of serendipity
zanselfu'a: f₂ is lucky/fortunate in f₁=z₂ (event/property).
fu'au (exp!): discursive: luckily - not pertaining to luck - unluckily.
cadnfroide: x₁ feels schadenfreude/pleasure derived from unfortunate/luckless event x₂.