Huáng lóng
Huanglong county in Yan'an 延安[Yan2 an1], Shaanxi
zhí dǎo Huáng Lóng
lit. to directly attack Huanglong
fig. to directly combat the root of a problem
Huáng lóng xiàn
Huanglong county in Yan'an 延安[Yan2 an1], Shaanxi
huáng lóng bìng
huanglongbing, citrus greening disease