1. 笨拙的;不灵活的
    A clumsy person moves or handles things in a careless, awkward way, often so that things are knocked over or broken.

    e.g. I'd never seen a clumsier, less coordinated boxer...
           我从没见过更笨拙、动作更不协调的拳击手。
    e.g. Unfortunately, I was still very clumsy behind the wheel of the jeep.
           令人遗憾的是我开起吉普来还是笨手笨脚。

2. (行为或措词)不得体的，拙劣的
    A clumsy action or statement is not skilful or is likely to upset people.

    e.g. The action seemed a clumsy attempt to topple the Janata Dal government...
           这一试图推翻人民党政府的行动似乎缺乏策略。
    e.g. He denied the announcement was clumsy and insensitive.
           他否认声明不得体、不近人情。

3. (设计或外表)粗糙的，难用的;设计欠佳的
    An object that is clumsy is not neat in design or appearance, and is often awkward to use.

    e.g. The keyboard is a large and clumsy instrument as far as portable computers are concerned...
           就手提电脑而言，键盘就显得大而笨重了。
    e.g. It was a clumsy looking aeroplane.
           那架飞机样子很难看。