challenge是什么意思,challenge sb. to sth.是什么意思????什么是行为动词?p.p是什么意思?? 谢了,我不要直译的!

challenge sb. to sth.：向某人提出某种挑战
行为动词即实义动词,表示动作的动词challenge是什么意思。它分为及物动词和不及物动词两种。实义动词有完全的词义，并能独立做谓语动词。
p.p是预付的意思

“challenge”是什么意思？

challenge英 ['tʃælɪndʒ] 　 　 美 ['tʃælɪndʒ] 　 　 形容词: challengeable过去式: challenged过去分词: challenged现在分词: challenging第三人称单数: challenges 基本释义n.挑战；邀请比赛；盘问；质疑v.向 ... 挑战；盘问；质疑用作名词 (n.)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。He accepted his friend's challenge to swim across the river. 他接受朋友提出的挑战，游过这条河。We accepted their challenge to a baseball game. 我们接受了他们棒球邀请的挑战。He ignored the sentry's challenge to halt. 他不理睬哨兵喝令止步的盘问。Their legal challenge was unsuccessful. 他们的法律质疑未获成功。查看更多 用作动词 (v.)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。New competitors are emerging to challenge the old economic arrangements. 新的竞争对手正在崛起，向旧的经济布局挑战。

challenge

英 ['tʃælɪndʒ] 　 　        

美 ['tʃælɪndʒ]        　    　    

形容词:

challengeable

过去式:

challenged

过去分词:

challenged

现在分词:

challenging

第三人称单数:

challenges

基本释义

n.挑战；邀请比赛；盘问；质疑

v.向 ... 挑战；盘问；质疑

用作名词 (n.)

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。

He accepted his friend's challenge to swim across the river.

他接受朋友提出的挑战，游过这条河。

We accepted their challenge to a baseball game.

我们接受了他们棒球邀请的挑战。

He ignored the sentry's challenge to halt.

他不理睬哨兵喝令止步的盘问。

Their legal challenge was unsuccessful.

他们的法律质疑未获成功。

查看更多

用作动词 (v.)

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。

New competitors are emerging to challenge the old economic arrangements.

新的竞争对手正在崛起，向旧的经济布局挑战。