1. Has your temperature gone down?

你烧退了吗？

还能这样说：

Does your fever down?

Has your fever remitted?

应用解析：

down and out 无家、无钱等；穷困潦倒；

down through sth. 经过（相当长的一段时间）；

be down to sth. 只剩下一点

2. My throat is much better, but I still have a cough.

嗓子不那么疼了，可是还咳嗽。

还能这样说：

I feel better with my throat except occasional cough.

My throat isn't painful, but I still cough.

3. Will you come to see me tomorrow?

你明天还来看我吗？

还能这样说：

Can you accompany me tomorrow?

Please keep me company tommrrow.

谚语：

Better an egg today than a hen tomorrow.

前程虽远大，现世更可靠。

4. You look great today.

你今天看起来气色很好。

还能这样说：

You look nice today.

You look quite well.

应用解析：

look here 听我说；看这里；

look worried 看上去很焦虑；

look exhilarated 喜冲冲