My suggestion

来源: 于 2011-12-23 10:50:53 [博客] [旧帖] [给我悄悄话] 本文已被阅读：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!