virnu -vri- gismu

x1 is brave/valiant/courageous in activity x2 (event) by standard x3.

See also terpa, darsi.

In notes:

darsi
x1 shows audacity/chutzpah in behavior x2 (event/activity); x1 dares to do/be x2 (event/ka).
terpa
x1 fears x2; x1 is afraid/scared/frightened by/fearful of x2 (event/tu'a object).
u'o
attitudinal: courage - timidity - cowardice.
tolvri
x1 is a coward in activity x2 (event) by standard x3.