cumbersome

1. ADJ Something that is cumbersome is large and heavy and therefore difficult to carry, wear, or handle. 笨重的

Although the machine looks cumbersome, it is actually easy to use. 这机器虽然看起来笨重，其实使用起来很方便。

2. ADJ A cumbersome system or process is very complicated and inefficient. 不方便的; 缺乏效率的

...an old and cumbersome computer system. …陈旧而效率低下的计算机系统。