第一线

shēng chǎn lì dì yī xiàn

生产力第一线

the forefront of production

zhàn dòu dì yī xiàn

战斗第一线

fight in the forefront

bǎ nián qīng gàn bù fàng zài xiàn dài huà jiàn shè dì yī xiàn

把年轻干部放在现代化建设第一线

place young government officials in the forefront of the modernization drive

cóng jiào xué dì yī xiàn tuì xià lai

从教学第一线退下来

step down from the front line of teaching

tuì chū le dì yī xiàn

退出了第一线

withdraw from the “front line”

gāi zhǐ huī guān yǐ jiāng tā suǒ yǒu bù duì tóu rù dì yī xiàn

该指挥官已将他所有部队投入第一线。

The commander has committed all his troops to the front.