Vocabulary consisting only from characters you are able to read
留守番電話
rusubandenwa
answering machine, answer phonemix
急に
kjuuni
(1)swiftly, rapidly, (2)suddenly, abruptly, immediately jlpt3, mix
相当
soutou
(1)befitting, becoming, worthy of, proportionate, in keeping with, suitable, (2)considerable, substantial, (vs) (3)to be worthy of, to be proportionate to, (4)to correspond to (in meaning, functio suru
計る
hakaru
(1)to measure, to weigh, to survey, to time (sound, gauge, estimate), (2)to conjecture, to infer, to surmise godan, verb, vtrans
勝手に
katteni
arbitrarily, of its own accord, involuntarily, wilfully, willfully, as one pleasesmix