1 [U] power (over sb/sth);power (to do sth) the ability to control people or things or to do sth （控制人、物或做某事的）能力，权力，影响力: The aim is to give people more power over their own lives. 目的是为了给人们更多支配自己生活的权力。to have sb in your power 控制某人 It's not in my power (= I am unable)to help you. 我无力帮你的忙。

2 [U] political control of a country or area （控制国家或地区的）政权: When did this government come to power ? 这个政府是什么时候上台执政的？to take/seize power 执政；夺取政权

3 [C] the power (to do sth) the right or authority to do sth 权力；权限；职权: Do the police have the power to stop cars without good reason? 如果没有充分理由，警察有权拦下车辆吗？

4 [C] a country with a lot of influence in world affairs or that has great military strength （在世界事务中很有影响力或有强大军事实力的）强国，大国: a military/economic power 军事╱经济大国 ☞Look at superpower and world power. 参看superpower及world power。

5 powers [pl] a particular ability of the body or mind 身心的某种能力: He has great powers of observation. 他有很强的观察力。She had to use all her powers of persuasion on him. 她不得不对他使出全部劝服力。

6 [U] the energy or strength that sb/sth has 力；力量: The ship was helpless against the power of the storm. 那艘船无法抵抗风暴。I've lost all power in my right arm. 我的右臂完全使不出力。

7 [U] energy that can be collected and used for operating machines, making electricity, etc 动力；能源: nuclear/wind/solar power 核能；风能；太阳能This car has power steering. 这辆车有动力转向系统。