阿斗

ā dǒu

(fig.) weak and inept person

A-dou, nickname of Liu Shan 劉禪|刘禅[Liu2 Shan4] (207-271), son of Liu Bei, reigned as Shu Han emperor 233-263

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

dǒu

abbr. for the Big Dipper constellation 北斗星[Bei3 dou3 xing1]