pinpoint

1. V-T If you pinpoint the cause of something, you discover or explain the cause exactly. 準(zhǔn)確指出 (原因)

It was almost impossible to pinpoint the cause of death. 幾乎不可能確定死因。

...if you can pinpoint exactly what the anger is about. …如果你能確切說明生氣的原因。

2. V-T If you pinpoint something or its position, you discover or show exactly where it is. 給…準(zhǔn)確定位

I could pinpoint his precise location on a map. 我能在地圖上指出他的確切位置。