O.K.
v.ka hna a tla
v.
obey
v.nawlngaih.
obligate
v.upadi in tuah hrimhrim awk timi
oblige
v.1. tuah awk a simi;
2. lunglawmhnak langhter awk a si ti i kan lungchung i a um khi; e.g. I am very much obliged for your help = Na ka bawmhnak caah ka lung aa lawm ngaingai.
obliterate
v.hnawh, hloh; e.g. The rain obliterated the footprints = Ruah nih neh kha a hloh din hna.
obscure
v.fian loter
observe
v.1. zoh; e.g. He observed a man leaving by the back door = Inncar lei innka in mipa a chuah kha a zoh.
2. ulh; e.g. We observe Sunday = Zarhpini kan ulh.
3. zulh, nawl, ngaih; e.g. He observes the law = Upadi kha a zulh.
obsess
v.lungthin chung i a khah in khah , helhkam ngai
obstruct
v.donh , kham
obtain
v.hmuh, co, e.g. He obtained two kyats for two eggs = Arti pahnih caah fang hnih a hmuh.