Adjective
1. rare ::
tsawg
2. uncommon ::
tsis tshua muaj tshwm
3. unusual ::
txawv txawv
4. exceptional ::
exceptional
7. unaccustomed ::
unaccustomed
8. unwonted ::
unwonted
9. isolated ::
raug rho tawm
10. scarce ::
scarce
12. sporadic ::
thawm
13. irregular ::
lus
14. intermittent ::
sib quas ntus
15. seldom ::
tsuj tsawg
16. once in a blue moon ::
ib zaug nyob rau hauv ib tug xiav hli