透とう徹てつしたじ字FuriganaAudioMeanings1noun-modifying (irregular)clear; lucid; penetratingDescribes thinking, analysis, or insight that is sharp, thorough, and free of ambiguity. Often used in formal or literary contexts.彼かれの透とう徹てつした分ぶん析せきは問もん題だいの本ほん質しつを明あきらかにした。Break this sentence down in the analyzerHis penetrating analysis revealed the essence of the problem.透とう徹てつした論ろん理りで反はん論ろんを退しりぞけた。Break this sentence down in the analyzerShe refuted the counterargument with lucid logic.