Sīdàlíngélè xiàngzhàn shì èrzhàn zhōng zuì cǎnliè de zhàndòu zhīyī.
The Battle of Stalingrad was one of WWII's most brutal urban battles.
Tips
memory
巷 (xiàng) means 'alley / lane' and 战 (zhàn) is 'battle' - fighting waged street by street, alley by alley. Note that 巷 has a second reading hàng (used only in 巷道, 'mine tunnel'); the military term is always xiàng.