| 词组 | pin |
| 释义 | pin [pinned, pinned, pinning] pin down 1. pin down sth • pin sth down to understand or explain exactly what something is or what it is like: ▪ The company is keen to review its recent performance and pin down some of the problem areas. ▪ Bobby heard a voice at the door which brought back some distant memory, but he couldn't quite pin it down. be difficult/hard/impossible to pin down ▪ It is estimated that there are about 5 million illegal immigrants in the US, but the numbers are impossible to pin down. ■ SIMILAR TO: ↑identify 2. pin sb down • pin down sb to make someone give you exact details or make a definite decision about something, especially when they have been trying to avoid doing this: ▪ I never know where Bernard is these days - it's impossible to pin him down. + to ▪ They've been promising to meet us for ages, but I can't pin them down to a date. ■ SIMILAR TO: ↑nail down 3. pin sb down • pin down sb to force someone to stay in a particular position by holding them down so that they cannot move: ▪ He had the child pinned down on the grass. 4. pin down sb • pin sb down to prevent enemy soldiers from escaping by surrounding the area where they are: ▪ The plan was to head straight for Kuwait City, and pin down the Iraqis there. pin on/upon ! Pin upon is more formal than pin on and is mostly used in writing 1. pin sth on/upon sb if you pin the blame for something on someone, you say that they are responsible for something bad that has happened, often when this is not true: ▪ Don't try to pin the blame on me. ▪ The president was trying to pin the economic problems on Republican lawmakers. ■ SIMILAR TO: ↑stick on BrE informal 2. pin sth on/upon sb if you pin a crime on someone, you accuse them of having done it, often when this is not true: ▪ Lawmen and prosecutors, desperate to please the public, pinned the murders on Sharif. ▪ "I don't know anything about a burglary," the boy said. "You can't pin it on me." 3. pin your hopes/faith on sb/sth if you pin your hopes on something or someone, you hope very much that something will happen successfully or someone will help you, because your plans depend on it: ▪ The company says it's pinning its hopes on new products to increase its profits. ▪ Charles needed someone to do him a favour, and he was pinning his hopes on Guy. pin up 1. pin sth up • pin up sth to fasten a picture, note, photograph etc to a wall: ▪ A photograph of her son was pinned up by her desk. ▪ There's a postcard from Joe - I'll pin it up over here. pin-up n C a photograph of an attractive famous person, that people stick on their walls, or a person who appears in one of these photographs: ▪ Leonardo Di Caprio, the latest teenage pin-up ▪ a pin-up girl 2. pin up sb's hair if a woman pins up her hair, she puts it up on her head and fixes it there with pins, instead of letting it hang down around her shoulders.: ▪ Karin found it easier to keep her hair tidy if she wore it pinned up. pin upon ► see ↑pin on |
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英语词组固定搭配大全包含5587条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。