(adj) not easily borne; wearing, Syn. taxing, onerous, Example:the burdensome task of preparing the income tax return; my duties weren't onerous; I only had to greet the guests; a taxing schedule
[いしょうさんたん, ishousantan] (n) 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