All right, well, if you do happen to hear anything, could you give us a call, please?

好的，要是你碰巧听到什么可疑的声响，能麻烦你给我们打电话吗？

I once happened to hear a sectarian prophet delivering a sermon.

我曾经偶然听到一个宗派先知在布道。

Julien happened to hear a young imaginative seminarist say to his companion.

于连碰巧听到一位富有想象力的年轻修士对他的同伴说。

If you happen to hear of a negative story spread about you, that should have enough impact to raise your awareness.

如果你碰巧听到关于你的负面故事，这样的影响应该能足以提高你的意识。

It starts to appear as though 'everyone' is successful because all those who we happen to hear about really are successes – and we have forgotten to imagine the oceans of tears and despair that necessarily surround them.

似乎“每个人”都是成功的，因为我们碰巧听到的所有人都是成功的，而我们忘记了想象他们周围必然是泪水和绝望的海洋。

At almost every step in life, we meet with young men of just about Holgrave's age, for whom we anticipate wonderful things, but of whom, even after much and careful inquiry, we never happen to hear another word.

几乎在生活的每一步，我们都会遇到与霍尔格雷夫年龄相仿的年轻人，我们期待他们的美好事物，但即使经过大量仔细的询问，我们也从未碰巧听到过任何关于他们的消息。