paradoxical

It is paradoxical that increased automation in the office has often led to people working longer hours.

(Chinese) 办公室自动化程度的提高反而往往导致人们工作时间更长，这真是个悖论。

The medication had a paradoxical effect, making the patient more anxious instead of calming them.

(Chinese) 这种药物产生了矛盾的效果，使患者更加焦虑而不是平静下来。