xagrai lujvo

t1=x1 is the best among set/range t4 for x2 by standard x3.

Cf. xamgu, traji, mecyxlarai, xauzma, xagmau, xagme'a, zanrai.

In notes:

mecyxagrai
t1=x1 is the worst among set/range t4 for x2 by standard x3.
mecyxlarai
m1=x1 is the best/[least bad] among set/range t4 for x2 by standard x3.
xagmau
xa1=z1 is better than z2 for xa2 by standard xa3, by amount z4.
xagme'a
xa1=m1 is worse than/not as good as m2 for xa2 by standard xa3, by amount m4.
xauzma
xa1=z1 is better than z2 for xa2 by standard xa3, by amount z4.
zanrai
t1=z1 is most favourable among set/range t4 in property z2 according to standard z3.