1.bring someone up to speed

讓某人或某事加快速度。

 2.to fix a dog / a cat

把貓狗閹割。

 3.I would't dream of...

我並不夢想要……

　I wouldn't be caught dead...

　I'll be damned of...我會被人咀咒，指責。

  4.rare as hen's teeth

 5.chicken come home to roost

很少發現的，很難見到的。

去面對所做之事的後果，意即承擔後果。