Quánguó jūnmín lùlì kàngdí, zhōngyú yíngdé le shènglì.
Soldiers and civilians across the country fought the enemy together and finally won.
Tips
mistakes
戮 usually means "to kill", as in 杀戮 (slaughter), but here it stands for the older character 勠 "to unite". 戮力 means pooling strength and has nothing to do with killing.
usage
Formal and written. Its best-known form is 戮力同心, "to work together with one heart".