blithe

详细解释:a. 愉快的, 高兴的

词型变化：

形容词比较级:blither最高级:blithest名词:blitheness副词:blithely

英语解释：

形容词 blithe:

lacking or showing a lack of due concerncarefree and happy and lighthearted同义词：blithesome, lighthearted, lightsome, light-hearted