zhí​dǎo Huáng Lóng

attack capital

直捣黄龙 (直搗黃龍) zhí​dǎo Huáng Lóng
attack capital
to directly attack the enemy's headquarters or capital, specifically referencing the Jin dynasty capital Huanglong
strike at root idiom
to deal directly with the core or source of a problem or the enemy's vital point

Frequency

Written text
0.099 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)