一旦你试了几次，你就可能发现它很有趣和有挑战性。

Once you try it a few times, you will probably find it fun and challenging.

youdao

行业组队、让他人为你工作以及让公司团结一致而不至于各行其是都是很有挑战性的工作。

Industry teaming, having others work for me and dealing as a company instead of a person were all challenges.

youdao

对某些游客来说，即使没有这些你可以或不可以怎么做的规则，用筷子都已经是很有挑战性的事！

For some visitors, using chopsticks ischallenging enough without the rules of what you can and can't do withthem!

youdao

I think what part of Sustain Dialogue does and just being in community with people it also challenges you. -It does.

我觉得，“持续对话“所做的部分活动,和与你不同的人在一起交流,这很有挑战性，-的确。

普林斯顿公开课 - 人性课程节选