意匠惨憺（いしょうさんたん）
Japanese vocabulary
Meaning: taxing one's ingenuity in devising something; agonizing over designing or creating something; making strenuous efforts to devise good ways and means to do something
Japanese vocabulary
Meaning: taxing one's ingenuity in devising something; agonizing over designing or creating something; making strenuous efforts to devise good ways and means to do something