1.run 经营
He has no idea how to run a business.
他丝毫不懂企业管理 。
2.time-consuming 耗时的
It's just very time consuming to get such a large quantity of data.
获取如此大量的数据非常费时 。
3.pin down 明确
It has taken until now to pin down its exact location.
一直到现在才确定了它的准确位置 。
4.scrutinise 核对
The statement was carefully scrutinised before publication.
声明在发表前经过仔细审查 。