边防

biān fáng bù duì

边防部队

border guards

biān fáng shào suǒ

边防哨所

border sentry

gǒng gù biān fáng

巩固边防

strengthen border defence

biān fáng yào sài

边防要塞

frontier stronghold

biān fáng shì bīng huī shǒu shì yì wǒ men tōng guò

边防士兵挥手示意我们通过。

The border guards waved us through.

jiǎn chá zhàn yǒu biān fáng jǐng wèi

检查站有边防警卫。

There are border guards at the checkpoint crossing.