裁纸刀

nǐ hái jì de wǒ men yǒu cì céng yòng yī bǎ cái zhǐ dāo chī guàn zhuāng de xiǎo xiā ma

你还记得我们有次曾用一把裁纸刀吃罐装的小虾吗？

Don't you remember we once ate potted shrimps with a paper knife?

kě yòng cái zhǐ dāo cái chū lún kuò

可用裁纸刀裁出轮廓。

The lines can be cut with a craft knife.