inefficient
US /ˌɪn.ɪˈfɪʃ.ənt/
UK /ˌɪn.ɪˈfɪʃ.ənt/
形容词
低效的, 效率低的
not achieving maximum productivity; wasting time or energy
示例:
•
The old machine was very inefficient and used too much power.
那台旧机器非常低效，耗电太多。
•
Their customer service is notoriously inefficient.
他们的客户服务出了名的效率低下。