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1·One likes to be alone, but the other is a bit of a gay dog.

你不了解这俩口子，一个喜欢独处，另一个却喜欢热闹。

2·She likes to stay at home, but her husband is a bit of a gay dog.

她喜欢呆在家里，但她的丈夫是个有点爱好社交生活的人。

3·The dog must present a generally gay, lively and active appearance;

这种狗的性格一般都比较快乐、活泼、有活力；