adj. 偶尔
Although I am well traveled, I have mostly visited different parts of my own country and have made only occasional overseas trips.
Johnny Chan is a formidable poker player and only loses very occasionally.
formidable 令人敬畏的
He occasionally regretted the shame he had brought on his family, but for his victims and their relatives he felt nothing.
参考翻译：Lucy is especially good at traditional Chinese landscape painting, but occasionally she does oil painting.
traditional Chinese landscape painting 中国山水画；oil painting 油画
造句：I am good at swimming, but occasionally I play badminton with my friends.
