这位年轻人在汽修厂当学徒，正在学习如何修理发动机。

The young man works as an ___apprentice at the auto repair shop, learning how to fix engines.

作为烹饪界的学徒，他还在学习基本的刀工技巧。

As an ___apprentice in the culinary world, he is still learning basic knife skills.