1837, earlier how de (1828), first recorded in Southern U.S. dialect, contraction of how do you do (1630s), phrase inquiring after someone's health; earlier how do ye (1560s).
双语例句
1. Jill: Howdy , Dude. Who were you talking to at the snack bar?
吉尔: 都德,你好,你在小卖部和谁谈话 呢 ?
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2. Howdy? What's up today?
你好吗? 今天有什么新鲜事?
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3. The leadership of honorific your company: Howdy!