Whose knives are these?(這些是誰的刀子？)

Where can I place the knives?(這些刀子要放在哪？)

The same principle can be used to sharpen knives or sweep city streets.(同樣的原理可以用于使小刀更鋒利或者清掃城市大街時。)

The Chinese used cloth and knives.(中國人使用布和刀。)

Two knife racks hold her favourite knives.(兩個刀架上放著她最喜愛的刀。)

They used their knives to clear a path through the dense undergrowth.(他們用刀在濃密的灌木叢中劈開一條小路。)

There are some knives.(這有一些小刀。)

The knives are sharp.(刀是鋒利的。)

They trucked knives for gold dust.(他們以小刀換金沙。)

Kanzi can also use knives and play easy computer games.(坎茲還可以使用刀具、玩簡單的電腦游戲。)