1. run into sb./someone=meet someone by chance偶遇

Guess who I ran into today? Our old school friend Nancy! Small world, isn’t it?
猜猜我今天碰到誰了？我們的老同學(xué)Nancy！世界可真小啊！

2. run it to earth: 原意“趕進(jìn)洞里”，指搜查，追查

比喻刨根問底或追本溯源，與漢語俗語“打破沙鍋問到底”相似。出自英國的狩獵故事。

The book was out of print, but I eventually ran it to earth at a secondhand bookshop.
那本書已經(jīng)絕版，但我終于在一家舊書店淘到了它。

3. go to earth/ground: 指人為了躲避外界的糾纏而隱藏起來

The film star eventually went to earth in a small, out-of-the-way cottage.
這位電影明星最后跑到一個(gè)荒避的小村舍躲了起來。

4. run of the true love: 真愛之路

指真正的愛情道路并不平坦，用于比喻好事多磨或苦盡甘來，與“有情人終成眷屬”相似。

Have you ever heard run of the true love? You’ve got to get out of your blue funk first and try to see her again.
你有沒有聽說過真正的愛情道路不平坦這句話？你首先得振作起來，然后再設(shè)法去見她。