unwieldy
/ʌnˈwiːl.di/
形容词
（物体因沉重、庞大或形状奇特而）不灵便的，笨重的；难移动的
A piano is a very unwieldy item to get down a flight of stairs.
钢琴是个很难搬下楼梯的物件。
（因机构庞大或组织不善而）效率低下的，无效率的
One disadvantage for the bank is that its huge size - over 15,000 staff - makes it unwieldy and slow-moving.
该银行的一大弊端是机构庞大——有15 000多名员工——造成效率低下及运营缓慢。