这是一个极具挑战性的计划：当时只有少数几个州对基础课程有我所提出的这样的高要求。

It was an ambitious program: Only a handful of states then required as strong a core curriculum as the one I proposed.

youdao

我对选择工作是非常挑剔的，我不想随便找一个没有挑战性的工作，以此恭维应聘公司是一个有挑战性的地方。

I have been very selective in looking for the right job and I don 'want to settle for one in which I will find myself unchallenged.

youdao

但是就我过去的经验告诉我，的确，工作是需要有挑战性，但是有挑战性的工作是应该建立在那些对你来说简单的技能上的。

But what I've learned over the years is that, yes, work should be challenging, but you should base it around skills which are easy to you.

youdao

但是就我过去的经验告诉我，的确，工作是需要有挑战性，但是有挑战性的工作是应该建立在那些对你来说简单的技能上的。

But what I've learned over the years is that, yes, work should be challenging, but you should base it around skills which are easy to you.

youdao