1 a man who has not yet married 未婚男子;单身汉
☞Nowadays single is the most usual word that is used to describe a man or a women who is not married. a single man/woman 现今 single 是称呼未婚男女最常用的词:a single man/woman 单身男子/女子
2 a person who has a first university degree 学士:
a Bachelor of Arts/Science文/理学士