小千老师忙，我正好有空，我来试一下.

总的感觉是你的th  音有问题（有时候老外也这样读，那是在语速快时，且在某种状况下例如：in the …但你在任何情况下都这样读了）。
再就是，你的辅音后加音太多(用红字标出来了)；另外/ i / 和/ i: /要区分开。

 

Now, the VOA Special English program WORDS AND THEIR STORIES.

There are many American^expressions about insects -- like bees, for example. Bees^are known^ as very hard workers. They always appear to be busy, moving around^ in their homes, or hives. So you might say you were as busy as a bee if you spent your weekend cleaning your house.