knife
/naɪf; naɪf/ n
(pl knives / naɪvz; naɪvz/)
1 sharp blade with a handle, used for cutting or as a weapon 刀: a `table-knife 餐刀
a `carving-knife 切熟肉的刀
a `paper-knife 裁纸刀
He'd been stabbed four times with a kitchen knife. 有人用菜刀捅了他四刀.
2 cutting blade in a machine or tool （机器或工具的）刀.
3 (idm 习语) you could ,cut it with a `knife (infml 口) it was very obvious or heavy 很明显; 很突出; 浓重
His accent is so thick you could cut it with a knife I can hardly understand a word he says. 他的口音很重--我简直一个字都听不懂. get one's knife into sb/have one's knife in sb try to harm sb spitefully (not usu physically) 欲加害某人（通常指非肉体的伤害）. like a knife through butter easily; without meeting any resistance or difficulty 容易; 遇不到抵抗或困难
The power saw sliced the logs like a knife through butter. 电锯轻而易举就把原木锯成薄板了.
His strong voice cut through the hum of conversation like a knife through butter. 他那宏亮 有力的声音一下子压倒了嗡嗡的谈话声. under the `knife (dated or joc 旧或谑) having surgery 在动手术. knife, v [Tn, Tn.pr]
cut or stab (sb) with a knife 用刀切割或刺（某人）
The victim had been knifed (in the chest). 受害人（於胸部）中刀.