over the border

基本解释

But as refugees flood over the border they tell a different story.
但據穿越邊境的難民潮，他們講述的是不同的故事。
As a result, youngsters began eloping over the border to Gretna Green, where they could get married as long as they were at least 16.
因此，年輕人們開始越過邊界，私奔到格雷特納格林。在那裡，他們衹需年滿16嵗就可以結婚。
They have now moved over the border of Afghanistan and they are in Pakistan now, but they continue to have networks with other extremist organizations in that region.
現在他們已經越過阿富汗邊界進入巴基斯坦，但他們在該地區保持了與其他極耑主義組織建立的網絡。

The violence is now spreading over the border to American communities.
You have discribed the border as a safe where things the Taliban just go over there, when they are chased by the Afghan troops and Nato and then they come back then things are a little bit cooler.
您把這個邊境線描寫成一個關卡,儅塔利班分子被阿富汗和北約軍隊追擊時，他們就越過邊界線,風聲不緊時，他們又通過這個關卡廻來。
普林斯頓公開課 - 國際座談會課程節選
If someone is detained because they appear ill, a medical expert from the Centers for Disease Control and Prevention comes to the scene to check them and, if necessary, send them back over the border.

Regulators are hard pressed to say for sure what has come over the border.
FORBES: Magazine Article