石橋を叩いて渡る いしばしをたたいてわたる Also written 石橋をたたいて渡る Meanings Expression being excessively cautious (literally: knocking on a strong stone bridge before crossing it) Kanji 石 stone. Read as いし. 橋 bridge. Read as はし. 叩 strike. Read as たたく. 渡 cross. Read as わたる. Word lists Idioms Jinuma: Japanese Dictionary · Word lists