这把刀需要磨了。
She used a knife to prise open the lid.
她用刀把盖子撬开了。
He sheathed the knife and strapped it to his shin.
他将刀插入鞘中，绑在小腿上。
All our officers are trained to defend themselves against knife attacks.
我们所有的警察都接受过自卫训练，能够对付持刀袭击。
He stooped down, cut the stem for her with his knife and handed her the flower.
他弯下腰，用刀替她割下花茎，然后把花递给她。
A good way to break the habit of eating too quickly is to put your knife and fork down after each mouthful.
一个改掉吃饭太快的坏习惯的好方法是每吃一口后放下刀叉。
Use a genuine fish knife and fork if possible as they are designed to cut through the flesh but not the bones.
如果可能的话，使用一副真正的鱼刀和鱼叉，因为它们是专门设计用来切鱼肉而非鱼骨的。
Gretel presents Hans with a knife.
格蕾特给汉斯递上一把刀。
A charlatan murders without a knife.
庸医杀人不用刀。
Please scour rust spots from the knife.
请擦去刀上的锈斑。
I've started doing pallet knife paintings.
我已经开始用调色刀画画了。
He found what he seemed to want--a rusty old butcher knife and a whetstone.
他找到了他想要的东西——一把生锈的旧切肉刀和一块磨刀石。
Dickon carried his knife in his hand and showed her things which she thought wonderful.
狄肯手里拿着刀，见到她认为奇妙的东西就指给她看。
He answered, "Then I ask for a fire, a turning lathe, and a cutting-board with the knife."
他回答说：“那我要一堆火，一个车床，和一个带刀的砧板。”
He knelt and with his knife cut the lifeless-looking branch through, not far above the earth.
他跪下来，在离地面不远处，用他的刀向那根看上去毫无生气的树枝砍了下去。
If a person's fingerprints match those found on a knife, this is evidence that he touched it.
如果一个人的指纹与在刀上发现的指纹相符，这就是他触摸过刀的证据。
At long intervals, he drew his thumb along the edge of his knife, and nodded his head with satisfaction.
每隔很长一段时间，他就用大拇指摸摸刀刃，满意地点点头。
Use this knife to chop, slice and mince; the side of the blade can be used for crushing garlic and some spices.
用这刀剁碎、切片或切碎物体；刀片侧面可以用于压碎大蒜和一些香料。
When Ph.D. student Quentin Willot removed the hair from an ant with a tiny knife and put it under a heat lamp, its temperature jumped.
当博士生昆汀·威洛用一把小刀从一只蚂蚁身上取走毛发，并把它放在加热灯下的时候，蚂蚁的体温瞬间升高。
The economy is balanced on a knife-edge.
经济形势尚不明朗。
The deliberate cruelty of his words cut her like a knife.
他故意说的残酷无情的话对她像刀割一样。
The game is poised on a knife-edge. One mistake or one piece of good luck could decide it.
比赛形势扑朔迷离。一个失误或是一点运气就有可能决定胜负。
Just put the fork and knife across the plate.
把刀叉交叠放在盘子上。
There is a knife and some pens on Wang Jun's desk.
王军的桌子上有一把刀和一些钢笔。
They also learn how to make a fire, use a knife and find food to eat.
他们还学习如何生火，使用刀子和寻找食物吃。
Holding the surgeon's knife for such a long time deformed his fingers.
长时间拿着手术刀使他的手指变形了。
Be careful not to make much noise when cutting things with your knife.
用刀切东西时要小心，不要发出很大的声音。
The main cutting tools aren't complex: paper and scissors or a knife, but clever and skilled paper-cutting artists can make very beautiful artworks.
剪纸的主要工具并不复杂：纸、剪刀或刀，但灵巧熟练的剪纸艺术家能剪出很美的艺术品。
Amongst the knife styles we should mention the styles of Rome, Neaples, Salerno, Calabria and Corsica.
在刀的风格中，我们应该提到罗马风格，尼普尔斯风格，萨莱诺风格，卡拉布里亚风格和科西嘉风格。
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