across country

not keeping to roads

不沿着大路；穿过田野

their route was across country, through fields of corn.

他们没走大路，是穿过玉米地走的

go (或 appeal) to the country

(Brit.)test public opinion by dissolving Parliament and holding a general election

(英)（解散议会）举行普选

line of country

(Brit.)a subject in which a person is skilled or knowledgeable

(英)精通的领域

in country

In Vietnam during the period of U.S. military operations there

越战时在越南：美国军事行动时期在越南

“He'd been in country a month longer than the other four”(&b{Nelson DeMille})

“他比其他四个人已在越南多呆了一个月”(&b{纳尔逊·德米耶})