glean

Historians try to glean information about the past from old letters and diaries.

(Chinese) 历史学家试图从旧信件和日记中搜集有关过去的信息。

We managed to glean a few details about the secret project from our source.

(Chinese) 我们设法从消息灵通人士那里搜集到了关于这个秘密项目的一些细节。