Tohko'usi' wo'owu' wo'uuceecii3owu' koh'e'eisibeet
since-hit.s.t..when.falling-3S ice-LOC mistaken.through.inattention,.carelessness have.head.cracked.open.by.falling.against.s.t.-3.S
When he landed on the ice , he had not paid the slightest attention to what he should be doing , and and he cracked his head open .