第一句：It's a beautiful day, isn't it?

今天天气不错，不是吗？

A: If s a beautiful day, isn't it?

今天天气不错，不是吗？

B: Yeah, nice day.

是啊，天气很好。

第二句：Lovely weather, isn't it?

天气不错，是吧？

A: Lovely weather, isn't it?

天气不锚，是吧？

B: Sure. It's quite clear.

可不是，真晴朗。

A: I think it will continue to be fine.

我觉得天气变不了。

B: I hope so.

但愿吧。

其他表达法：

Fairly¹ warm this morning, isn't?

今天早上可真暖和，不是吗？

The tun is shining!

阳光灿烂啊！

What lovely weather!

天气真好！