frustrate
v.1. pakpalawng i canter; e.g. He frustrated our plan = Kan i timhmi kha pakpalawng ah a canter;
2. dawnh; e.g. We were frustrated in our efforts to climb the mountain = Tlang kai kan i zuamnak ah khan a kan dawntu thil a um lengmang.
v.
fry
v.kiau , chiti in kiau
fulfil
v.tling , tlinter
fumble
v.dah; e.g. He fumbled in the dark for the flashlight = Mui padap ah dahmei kha a dah.
fume
v.meikhu chuahter; e.g. The chimney fumes with smoke = Meikhu chuahnak in meikhu a chuak; e.g. thinhun i zai.
function
v.rianttuan hnga dingmi ttuan; e.g. My pen does not function well = Ka cafung ttha tein a um lo.
furl
v.zual; e.g. Furl the flag = Alan kha zual tuah.
furnish
v.tthutdan, cabuai le innchung thilri, inn chung i chiah
further
v.hla deuh phakter
fuse
v.titter i peh