The Democratic senator from Montana was a novice in the rough world of rodeo three decades ago, but when challenged he did not hesitate.

这位来自蒙大拿州的议员在30年前残酷牛仔竞技世界里还是个初出茅庐的新人，但是面对挑战，他毫不犹疑。

youdao

That memory, when challenged, produces thought.

这种记忆，面临挑战时，产生思维。

youdao

The embryonally vaccinated chickens were most effective for preventing MD tumor formation when challenged at the same day.

同一日龄攻毒的试验雏鸡中，以胚胎免疫组对阻止MD肿瘤形成的效果最佳。

youdao

"But a baby who has a defect in those brain stem circuits that use serotonin can't do that when challenged and they go on to die."

VOA: standard.2010.02.08

Well recall from week zero when we took a very real world phonebook and then just last week we had our volunteer come up with the array of pieces of paper on the board and when I challenged myself and when I challenged our volunteer to find me the number 50 both he and I were able 50 to leverage one assumption.

大家回忆一下,当我们拿着一个现实世界的电话簿,就在上周我们的志愿者,在黑板上提出了纸片的阵列,我挑战自己，也挑战志愿者,要找出同一个,数字。

哈佛公开课 - 计算机科学课程节选

"I think people really like to be challenged when they go to the cinema and you watch it and you want to go back again and take more from it."

VOA: standard.2010.07.16

When challenged about these threats, the university lawyer David Levine said, in essence, what threats?

FORBES: UC Davis threatens professor for writing about PSA testing

And he was particularly eager not to utter the word when challenged during question time.

BBC: Prime Minister's Questions

Only when challenged did Mr. Lake dismissively acknowledge that some "muj" remain in Bosnia.

CENTERFORSECURITYPOLICY: Hearing takes a toll on Lake nomination