(of an object 东西 difficult to move or control because of its size, shape or weight 笨重的；笨拙的；不灵巧的 The first mechanical clocks were large and rather unwieldy. 第一批机械钟很大，而且相当笨重。 The old car felt cumbersome and unwieldy. 这辆旧汽车感觉笨重。 The tool's long handle made it unwieldy. 这个工具的长柄使它难以操作。
(of a system or group of people 体制或团体 difficult to control or organize because it is very large or complicated 难控制（或操纵、管理）的；运转不灵的；尾大不掉的
Word Originlate Middle English (in the sense ‘lacking strength, infirm’): from un- ‘not’ + wieldy (in the obsolete sense ‘active’).