通常，你会发现笔形刀刃出现在口袋刀上。

Typically, you'll find a "pen" blade on pocket knives.

youdao

舒适的警卫刀结合口袋刀的功能，使此刀在刀具界更受嘱目。

The combination of a pocket-knife and the comfort of a guard make this knife an appreciated one in the cutlery world.

youdao

那可真糟糕，汉斯，你应该把刀放在口袋里。

That's ill done, Hans, you should have put the knife in your pocket.

youdao