Meaning of zuò zhàn:
zuò zhàn
作战
Verb
combat; to fight
Gāi bùduì yǐjīng zhǔnbèi hǎo jìnxíng zuòzhàn le.
该部队已经准备好进行作战了。
The unit is ready for combat.
Zài zhànzhēng zhōng, shìbīngmen yǒnggǎn de jìnxíng zuòzhàn.
在战争中,士兵们勇敢地进行作战。
During the war, soldiers fought bravely.