The border forces have to fight against enemy.

边防军不得不对入侵敌人作战。

youdao

Locals warned her that she would be killed by the Burmese border forces.

而当地人告诫她缅甸边防人员也会要她的命。

youdao

The security forces sighted a group of young men that had crossed the border.

安全部队在一瞬间突然看见了一群越过了边境的年轻人。

《柯林斯英汉双解大词典》

UNIFIL later determined Israeli forces were in their own territory, denying Lebanese claims that they had crossed the border.

VOA: standard.2010.08.05

The groups say villagers crossed Thailand's western border to escape escalating fighting between Burmese forces and Karen rebels.

VOA: standard.2009.06.09

Tensions soared Tuesday when a Lebanese sniper killed a senior Israeli officer as Israeli forces pruned trees in a disputed border area.

VOA: standard.2010.08.05

Locals warned her that she would be killed by the Burmese border forces.

ECONOMIST: More grief for the Rohingyas

He added their conviction was due to "excellent cross-border working between forces" and "good old-fashioned policing".

BBC: Shaun Martin and Daniel Bage jailed over shop robberies

They said a Rabha tribesman had been shot dead on the Assam side of the border by security forces for creating trouble.

BBC: Four die in tribal clashes in India's north-east