挑战

dí rén zài xiàng wǒ men tiǎo zhàn

敌人在向我们挑战。

The enemy is challenging us.

tā jué dìng bào míng cān jiā mǎ lā sōng bǐ sài tiǎo zhàn zì wǒ

他决定报名参加马拉松比赛，挑战自我。

He decided to challenge himself by signing up for the marathon.

wǒ men yào bù duàn tū pò zì jǐ tiǎo zhàn jí xiàn

我们要不断突破自己，挑战极限。

We have to keep pushing ourselves and pushing our limits.

tā jìng rán xiǎng yào tiǎo zhàn guàn jūn

他竟然想要挑战冠军。

I can't believe he wants to challenge for the championship.

nǐ gǎn tiǎo zhàn wǒ men zhī qián de jì lù ma

你敢挑战我们之前的纪录吗？

Do you dare to challenge our previous record?

wǒ men liǎng gè bān lái gè hù zhù tiǎo zhàn hǎo bù hǎo

我们两个班来个互助挑战好不好？

How about a challenge between our two classes?

wǒ men rèn wéi tiǎo zhàn yǔ jī yù bìng cún

我们认为挑战与机遇并存。

We believe that challenges and opportunities coexist.

zhōng guó qǐ yè shòu dào wài guó jìng zhēng zhě de tiǎo zhàn

中国企业受到外国竞争者的挑战。

China's enterprises are challenged by overseas competitors.

wǒ men zhèng miàn lín yán jùn de tiǎo zhàn

我们正面临严峻的挑战。

We are facing serious challenges.