challenge

过去式：

动词过去式: challenged

更多词形：

形容词: challengeable | 动词过去式: challenged | 动词过去分词: challenged | 动词现在分词: challenging | 动词第三人称单数: challenges |

单词例句：

She beat off a challenge to her leadership.

她战胜了对她的领导地位的挑战。

Challenge is something we Americans thrive on.

挑战是我们美国人之所以兴旺的奥妙。

You are asking for trouble if you challenge him.

你向他挑战是自讨苦吃。

Something, such as a glove, that is offered or thrown down as a pledge or challenge to fight.

象征挑战而扔下的手套如手套等作为挑战而主张送出或扔在地上的物品

It is the challenge of our moment.

这对我们是一个挑战的时刻。

Nowadays no one will challenge the fact that the earth is round.

现在没有人会对地球是圆的这一事实提出异议。

He ignored the sentry's challenge to halt.

他不理睬哨兵喝令止步的盘问。

Never challenge a fool to do wrong.

不要怂恿愚人干错事。

The crossing of this dangerous river was a challenge to most of us.

对我们大多数人来说,横渡这条充满危险的大河确实是个挑战。