to challenge的用法和樣例：
例句
- New competitors are emerging to challenge the old economic arrangements.
新的競爭對手正在崛起，向舊的經濟布局挑戰。 - I am confident they will move the American economy ahead, move it firmly and soundly so that there will never be a time when the Soviet Union will be able to challenge our superiority in this field.
我確信這些建議能把美國經濟推向前進，使之穩步而合理地發展、讓蘇聯在經濟上沒有挑戰我們超級大國地位的機會。 - In deference to our host I decided not to challenge his controversial remarks.
我出於對主人的尊敬，不對他那易引起爭論的話表示異議。
