眼光紙背に徹する がんこうしはいにてっする Meanings Expression, する verb to (be able to) read between the lines Kanji 眼 eyeball. Read as ガン. 光 light. Read as コウ. 紙 paper 背 back. Read as ハイ. 徹 thorough. Read as テツ. Word lists Idioms Jinuma: Japanese Dictionary · Word lists