clumsy and awkward (referring to people or movements), or heavy and unwieldy (referring to objects)
小明虽然平时看起来粗粗笨笨的，但做起事来却很细心。
Although Xiao Ming usually appears clumsy and awkward, he is very meticulous when doing things.
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clumsy and awkward (referring to people or movements), or heavy and unwieldy (referring to objects)