serious nature的用法和樣例：
例句
- The doctors thought it kind to play down the serious nature of her illness.
醫生們認為把她嚴重的病情說得輕微一些是仁慈的表現。 - My father sat upright, straight as a ramrod, while the doctor explained to him the serious nature of his illness.
醫生向我父親講明他的嚴重病情時，我的父親直挺挺地坐在椅子上，一動也不動。 - The doctor played down the serious nature of her illness.
醫生故意把她病情的嚴重性說得輕些。
