If you're having breakfast and it's delicious but it would be perfect if you had it with tea.

假设你在吃早饭，你觉得很美味，如果有杯茶的话，那就完美了。

I want to 课堂 - SpeakingMax英语口语达人

But to English people, a cup of tea is to relax.

但是对于英国人来说，喝杯茶可以放松自己。

来一杯红茶怎么样？ - SpeakingMax英语口语达人

You can use the "How about" pattern to offer her some tea.

你就可以用“How about”句型问她需不需要来杯茶。

How about 课堂 - SpeakingMax英语口语达人