英汉词典

1. 有权力的；有势力的；有影响力的
    A powerful person or organization is able to control or influence people and events.

    e.g. You're a powerful man — people will listen to you.
           你是有影响力的人，大家会听你的。
    e.g. ...Russia and India, two large, powerful countries.
           两大强国，俄罗斯和印度

2. 强壮的；强健的
    You say that someone's body is powerful when it is physically strong.

    e.g. Hans flexed his powerful muscles...
           汉斯活动了一下他那强健的肌肉。
    e.g. It's such a big powerful dog.
           它是一条如此强壮的大狗。