adj.笨手笨脚的，笨重的，笨拙的，尾大不掉的，不灵巧的，难控制(或操纵、管理)的，运转不灵的

The unwieldy machinery took up half the workshop space, hampering productivity.
笨重的机器占据了工作坊的一半空间，影响了生产效率。
His unwieldy penmanship made it difficult for others to read his notes.
他那笨拙的笔迹使得别人很难看清他的笔记。
The unwieldy bureaucracy often caused delays in government projects.
庞大的官僚机构常常导致政府项目进度缓慢。
She tried to carry the unwieldy suitcase up the stairs, struggling with its weight.
她试图搬动那个沉重的手提箱上楼，显得力不从心。
The unwieldy regulations made starting a new business a daunting task.
繁杂的规定使创办新企业变得令人望而却步。
The unwieldy novel's convoluted plot left readers confused and disengaged.
这部冗长的小说情节复杂，让读者感到困惑和失去兴趣。
The unwieldy robot needed frequent maintenance to function properly.
这个笨重的机器人需要经常维护才能正常运行。
The unwieldy keychain was so heavy that it dragged her bag down.
那个笨重的钥匙链太重了，拖慢了她的包。
The unwieldy sailboat required a skilled crew to handle the wind and waves.
这艘笨重的帆船需要技术娴熟的船员来应对风浪。
His unwieldy attempt at humor fell flat, eliciting awkward silence from the audience.
他笨拙的幽默尝试并未引起笑声，反而让观众陷入尴尬的沉默。