有力: strong; powerful; forceful; energetic; vigorous 短语和例子有力的打击 a forceful blow; 有力的证明 convincingly demonstrate; 面对有力的竞争对手 face with very strong competition
The common analogy is the pitcher who faces a slugger who loves them high and outside so the coach comes out and says don t throw it high and outside . guess where the ball goes 一个常用的比喻，有一个投手遇上一个很有力的击球手，他专打高球教练走出来喊说：别掷高球。
