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- She stabbed him in the leg with a kitchen knife. 她拿菜刀捅伤了他的腿。
- He came running here with a knife held in one hand. 他一手握着刀向这里跑来。
- A knife is one of the simplest of tools. 刀是一种最普通的工具。
- You need a sharp knife to cut through the knot. 你需用快刀才能把结切断。
- His cheek was badly scarred by a knife cut. 他的面颊上留有严重的刀疤。
- He asked for an extension of his visa. 他申请延长签证有效期。
- The boy was delighted with his new knife. 男孩有了新的小刀后很高兴。
- He picked up his knife and fork. 他捡起了刀叉。
- He built an extension onto his house. 他给自己的住宅扩建了一部分。
- I had a tussle to get the knife off him. 我与他扭打一阵才把刀子夺下。
- Extension of the injured arm was painful. 把受伤的胳膊伸展开是很疼的。
- A sharp knife makes a clean cut. 快刀切得整齐。
- By extension, an array of any number of dimensions. 广义来说，矩阵可以是任意维数的数组。
- I couldn't withstand a murderous-looking knife. 我无法忍受凶光闪闪的刀。
- He came running here with one hand holding a knife. 他手上握着刀向这里跑来。
- He scratched his name on the wall with a knife. 他用一把小刀把自己的名字刻在墙上。
- We built an extension to our house. 我们扩建了我家的房屋。
- They ground the knife on a grindstone. 他们在磨刀石上磨刀子。
- He made a very beautiful scabbard for his knife. 他为他的刀做了一个漂亮的鞘。
- In default of tools, he uses a knife. 因没有工具，他使用一把刀子。
