This penknife is very sharp.

这个削笔刀非常锋利。

Can you lend me your penknife?

你能借我一下你的削笔刀吗？

I use a penknife to sharpen pencils.

我用削笔刀削铅笔。

He always carries a penknife with him.

他总是随身携带一个削笔刀。

I need a new penknife to sharpen my pencils.

我需要一个新的削笔刀来削我的铅笔。

A penknife with five blades

五开的摺刀

He forced the lock with a penknife.

他用一把铅笔刀撬开锁。

A:Find me a penknife, can you, please?

帮我找一把铅笔刀可以吗？

Even the railroads seem only scratched in with a penknife.

甚至铁路似乎也只是用铅笔刀随意刮出来的.

Lighter, Chewing gum, Mascara, Contact lenses, Key, Cigar, Penknife.

打火机，口香糖，睫毛膏，隐形眼镜，钥匙，折叠刀…