爷爷的口袋里总带着一把小折刀用来削水果。

Grandpa always carries a ___pocketknife in his pocket for peeling fruits.

我的口袋里总是放着一把多功能小刀，用来开包裹或削铅笔。

I always carry a ___pocketknife in my pocket for opening packages or sharpening pencils.