大权的英文：
power
authority

参考例句：

wield the sceptre
掌握大权;行使权力

Wield the scepter.
君临，统治，掌握大权。

His rise to power was very rapid.
他很快掌握了大权.

She is a strong woman, holding the purse strings.
她是个女强人，掌握着经济大权。

The royal prerogative
帝王的大权

It is still the rich nations which wield the power.
现在操纵着大权的仍是那些富国。

The president's energy czar
总统身边独揽能源大权的人物

Self- make men are very apt to usurp the prerogative of the almighty and overwork themselves.
全凭一己奋斗而成功的人,大有篡夺上帝的大权之势而过度工作。

The Don must be told and he must either take command or order Hagen to surrender the Corleone power to the Five Families
必须让老子知道这个消息，他要么必须亲自挂帅应战，要么命令哈根向五大家族投降，把考利昂家族的大权拱手交给人家。

power是什么意思：
n. 力量；动力；能力；权力；大国；机能；体力
v. 给…提供动力

smoothing power
修匀功效

These drugs are powerful.
这些药物很有效。

Applications of Power Electronics Technique in Power System
电力电子技术在电力系统中的应用

Wind power: Use of the energy in winds to produce power.
风力:利用风的能量来产生动力。

Power plant is a power of 140 hp piston engine.
动力装置是一台功率140马力的活塞发动机。

authority是什么意思：
n. 权力；行政管理机构；当局；当权者；权威；权威人士；威信；许可；授权书

The authority is not reasonable.
这个判例并不合理。

A person in authority, with authority, speaks slowly.
一个有权威，使用权利的人，说话很慢。

Do you have the balls to challenge authority?
你有挑战权威的胆量么？

On whose authority be the charge bring
根据谁给予的权利提出此指责

This article is full of authorities.
这篇文章很有说服力。