powerful adj. 强大的；强有力的；
反义词：powerless adj. 无力的；无能力的，无权的
He had become too powerful for their liking.
对于他们来说，他已变得过于强大。
Desire for status can be a powerful motivator.
追逐地位的.欲望可以成为强大的动力。
Hans flexed his powerful muscles.
汉斯放松了他强壮的肌肉。
If you don't have money, you're powerless.
如果你没有钱，你就无能为力。
I saw what was happening, but I was powerless to help.
我眼看着事情发生，却无力相助。
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