lummox

The clumsy lummox dropped the whole tray of drinks.

用法提示：lummox 作名词，与 clumsy 连用，突出笨拙。

I felt like a lummox when I couldn't figure out the simple puzzle.

用法提示：lummox 作表语，形容自己笨手笨脚。

Watch out for that lummox carrying the ladder.

用法提示：lummox 作宾语，指行动笨拙的人。