n. 笨拙的工人

[ noun ]
someone who makes mistakes because of incompetence
<noun.person>

Botcher \Botch"er\, n.
1. One who mends or patches, esp. a tailor or cobbler.
--Shak.

2. A clumsy or careless workman; a bungler.

3. (Zo["o]l.) A young salmon; a grilse.