機は熟す きはじゅくす Also written 期は熟す Meanings Expression, Godan verb for the time to be ripe; for the moment to have come; for the situation to be ready for action (usu. as 機は熟した) See also: 機が熟す (きがじゅくす). Kanji 機 machine. Read as キ. 熟 ripe. Read as ジュク. Jinuma: Japanese Dictionary · Word lists