hard to say or predict, difficult to speak out (for fear of embarrassing or paining others, etc.) not easy to express with words
㦄【卯集上】【心部】 康熙筆画：15画，部外筆画：11画
《廣韻》莫霞切《集韻》謨加切，音麻。《集韻》䫗，難語也。或从心。
