knife /naɪf/► SEE ALLget your knife into sbhave your knife in sbgo under the knifelike a knife through butterput/stick the knife input/stick the knife into sbturn/twist the knife (in the wound)you could cut the atmosphere with a knifenot the sharpest knife in the drawer ●get your ˈknife into sb●have your ˈknife in sb (informal) harm and continue to harm sb (usually not physically) whom you consider your enemy跟某人一直过不去；屡屡伤害某人◆He’s had his knife into me for months, and every time I make a mistake, he tells my boss. 他几个月来都跟我过不去，每次我一犯错，他就告诉老板。●go under the ˈknife (informal) have a medical operation接受手术◆Peter hates his nose so much that he’s seriously considering going under the knife to have it made smaller. 彼得很不喜欢自己的鼻子，他甚至认真考虑要动手术弄小一点。●like a knife through ˈbutter(cut/go) through sth hard easily（穿过坚硬物能）轻而易举，毫无困难◆It went through the metal door like a knife through butter. 它毫无困难地穿过了金属门。●put/stick the ˈknife in●put/stick the ˈknife into sb (informal) criticize sb or deliberately try to harm them批评；试图故意伤害◆The senator has quite a few enemies that would love to stick the knife in if they got the chance. 这位参议员树敌不少，这些人一旦有机会就想加害于他。●turn/twist the ˈknife (in the wound)deliberately remind sb of sth they are already upset about, and so upset them even more揭人疮疤；往伤口上撒盐◆After the divorce, her friend turned the knife in the wound by saying she had always thought that the marriage wouldn’t last. 离婚之后，她的朋友又雪上加霜，说她一直觉得这桩婚事不会长久。◆All right. I know I was stupid. You don’t have to twist the knife. 好啦，我知道我很蠢，你就不必揭我的疮疤了。●you could ˌcut the atmosphere with a ˈknife (informal) used to say that the emotional tension, embarrassment, etc. shared by a group of people is very great气氛非常紧张；局面非常尴尬；剑拔弩张◆When John came in with his new girlfriend, you could have cut the atmosphere with a knife.约翰带着新女友进来时，气氛极其紧张。●not the sharpest knife in the ˈdrawer ( not the sharpest tool in the ˈbox) (humorous) not intelligent不够聪明◆I know he’s good-looking, but he’s not exactly the sharpest knife in the drawer, is he?我知道他长得挺帅，可是脑子不怎么灵光，对吗？OPPa/one smart cookie