You are a lucky dog.

你真是个幸运儿.

《现代汉英综合大词典》

Did you hear that Bob got a scholarship? What a lucky dog!

听没听说鲍勃得了奖学金? 他真幸运!

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I am still a lucky dog.

我相信上帝一直都是眷顾我的.

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He won lottery, he is a lucky dog.

他中了彩票, 他是个幸运儿.

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John is a lucky dog; he just won 100 dollars on a bet.

约翰真是个幸运儿, 他与人打赌刚赢了100元.

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Tom: It is really bad. But in other word, you a lucky dog.

这确实倒霉, 但换句话说, 你又是幸运的.

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