unwieldy

Difficult to move, manage, or handle because of size, shape, or complexity.

• unwieldiness/ʌnˈwiːldɪnəs/(n)笨重

• unwieldy system
• unwieldy bureaucracy
• unwieldy device
• unwieldy process

1. 1.The old database system had become unwieldy and slow. (difficult to manage)
2. 2.She struggled to carry the unwieldy package up the stairs. (bulky, hard to handle)

• cumbersome/ˈkʌmbəsəm/— heavy and hard to move
• bulky/ˈbʌlki/— large and awkward
• clunky/ˈklʌŋki/— heavy and inefficient, informal

un- (not) + wieldy (easy to handle) — from "wield" (to handle) — can't be wielded easily