over the border

基本解釋

But as refugees flood over the border they tell a different story.
但據(jù)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。在那里，他們只需年滿16歲就可以結(jié)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(xiàn)在他們已經(jīng)越過阿富汗邊界進(jìn)入巴基斯坦，但他們?cè)谠摰貐^(qū)保持了與其他極端主義組織建立的網(wǎng)絡(luò)。

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(gè)邊境線描寫成一個(gè)關(guān)卡,當(dāng)塔利班分子被阿富汗和北約軍隊(duì)追擊時(shí)，他們就越過邊界線,風(fēng)聲不緊時(shí)，他們又通過這個(gè)關(guān)卡回來。
普林斯頓公開課 - 國(guó)際座談會(huì)課程節(jié)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