My suggestion

來源: 於 2011-12-23 10:50:53 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

Tell him that currently you do not have the skill set for doing this. However, you are open to learn provided training oppurtunities.

Keep everything in writing(email) so he can not use you as a scapegoat.

Good luck!