ノミの心しん臓ぞうじ字FuriganaAudioMeanings1expression, nountimidity; cowardice; courage of a fleaidiomatic expression›Idiomatic expression literally meaning 'a flea's heart', used to describe someone who is very timid or cowardly.彼かれはノミの心しん臓ぞうだから、高たかいところには絶ぜっ対たいに行いかない。Break this sentence down in the analyzerHe's so timid he would never go to high places.ノミの心しん臓ぞうの私わたしには、ホラー映えい画がは無む理りだ。Break this sentence down in the analyzerWith my cowardly nature, horror movies are impossible for me.