While in trees, the brothers said, they sometimes catch glimpses of people who do not know they are being observed, or overhear snippets of conversation from those who imagine that they are alone.

兄弟俩说，在树上待着，有时候会观察到一些并不知道自己正在被观察的人，也会听到一些以为在独处的人们的只言片语。

youdao

What makes a cell phone conversation that you overhear so distracting?

是什么令无意听到的电话交谈让我们分心？

youdao

Approach the fountain and overhear a conversation regarding a missing basement key and then talk to Matisse.

走近喷泉和无意中听到一个关于失踪的地下室交谈键，然后跟马蒂斯。

youdao

This time I was close enough to overhear their conversation, so I knew that one man was in sales and the other was a potential client.

FORBES: Knowing When to Back Off

Wending my way through the town, I overhear snatches of conversation and see delightful sights (such as a mechanical horse that resembled a merry-go-round ride, which sadly cannot be ridden, as well as a Disney-like parade).

FORBES: A Hands-On Demo of BioShock: Infinite

Are ears perking up as others overhear your cell phone conversation in a crowded restaurant or airport lounge?

FORBES: Data Security: A Shareholder Protection Imperative