A couple of flubs: a locationpin was a few hundred yards off, and Google put me on a freeway when local streets would have been faster.
也有一两个错误：一个位置标记被打在了几百码外；谷歌地图指引我上高速路，而那时走地面街道应该更快。
2
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。
《柯林斯英汉双解大词典》
3
Investigators scoured social networking sites such as Facebook and MySpace but initially could find no trace of him and were unable to pin down his location in Mexico.