adj.愉快的,高兴的;
例句:
Listen to the sorrowful songs, watch at the mirthful films.
听悲伤的歌, 看幸福的戏.
The mirthful ending of the movie delighted all the audience.
这个电影的欢喜结局使观众感到非常高兴.
Mirthful laugh echoed in the big hall.
欢快的笑声在大厅里回响.