吴下阿蒙

wú xià ā méng

General Lü Meng 呂蒙|吕蒙 of the southern state of Wu (idiom); model of self-improvement by diligent study (from unlettered soldier to top strategist of Wu)

吴

wú

area comprising southern Jiangsu, northern Zhejiang and Shanghai

下

xià

down

阿

ā

abbr. for country names that begin with 阿[a1]: Algeria 阿爾及利亞|阿尔及利亚[A1 er3 ji2 li4 ya4], Afghanistan 阿富汗[A1 fu4 han4] etc

蒙

méng

to cover