〈非正式〉 爸爸。
〈印度〉 哥哥，表兄，堂兄。
a respectful form of address for any familiar older male
［对熟识的男性长辈的敬称］老哥，大爷。
an early 20th-century international movement in art, literature, music, and film, repudiating and mocking artistic and social conventions and emphasizing the illogical and absurd
达达主义运动（２０世纪早期艺术、文学、音乐和电影的一种国际性运动，批判和嘲讽传统，强调非逻辑和荒诞主义）。
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dadan.爸爸；哥哥；表兄；堂兄；（Dada）达达主义运动
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dadn.爸爸
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datan.数据；数据资料；论据
"late 17th cent.： perhaps imitative of a young child's first syllables （see