いばしんえん 意馬心猿 LinksSentence search for 意馬心猿Sentence search for いばしんえんKanji details for 意, 馬, 心 and 猿Edit in JMdict Noun1. it is hard to keep one's worldly desires and passions in checkBuddhism, Yojijukugo (four character compound) Discussions Log in to talk about this word.