n.someone who makes mistakes because of incompetence

同義詞：bunglerblundererfumblerstumblersad sackbotcherbutcherfuckup

績效評估與管理-Bumbler Ma
The Demise of the Bumbler and the Crock: From Experience to Accountability in Medical Education and Ethnography
bumbler不妨翻成“瞎忙”
Fixing the Hillary Factor: Examining the Trajectory of Hillary Clinton's Image Repair from Political Bumbler to Political Powerhouse
bumbler(132408)
An unusual species of Phytophthora from South Australia
Pathogenicity of two pythiaceous fungi to apple seedlings
Dom DeLuise, 75, Hollywood's pudgy comic bumbler Obituary
Pollard: Not A Bumbler, But Israel's Master Spy
'Kung Fu Panda 3': Welcome Return of a Bravehearted Bumbler (Posted 2016-01-28 15:37:51) ; the Third Installment of the Animated Kun...