I happen to hear the news.

我恰巧听说了这个消息。

youdao

Those who happen to hear it may suffer.

那些谁碰巧听到它可能受到影响。

youdao

If you happen to hear a humming sound and see a flash of color whiz by... who knows?

假如你偶然听到嗡嗡的声音并看见一道缤纷色彩色彩掠过…谁知道呢？

youdao

They want to see and hear for sure what's going to happen before they really even commit more money.

CNN: Richard Roth: Pledges to rebuild Afghanistan

One keeps wondering what's going to happen next, and when we might hear something about policy or electoral strategy.

BBC: 'Stormy' dilemma for Republicans

You hear all the bad things that can happen to get you ready for your happy homecoming.

NPR: Minnesota Guard Families Prepare for Homecoming