英语词组pin down是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	pin down
释义	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.
随便看	permit permit of pertain pertain to peter peter out phase phase in phase out phone phone around phone back phone for phone in phone round phone through phone up pick pick at pick off pick on pick out pick over pick through pick up

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。