She beat off a challenge to her leadership.

她战胜了对她的领导地位的挑战。

《牛津词典》

The chairwoman is up against the greatest challenge to her position.

女主席面临她职位的最大挑战。

《柯林斯英汉双解大词典》

Another challenge to language survival is television.

电视是语言存活下来的另一个挑战。

youdao

Speaking after a meeting with the Democrat chairmen of the congressional budget committees, the president issued a challenge to his critics.

VOA: standard.2009.03.17

In these parts of the Politics Aristotle offers a serious challenge to existing Greek traditions and patterns of political education.

在这部份的《政治学》,亚里士多德对,当时的希腊政治教育传统与模式,提出严肃的挑战。

耶鲁公开课 - 政治哲学导论课程节选

Finally I want to oppose a challenge to you and ask you a question.

最后我想挑战一下你们,给你们留个问题。

麻省理工公开课 - 媒体、教育、市场课程节选

South Africa's youth presents a formidable challenge to people who want to entice them.

BBC: Young turn their back on politics

Sharif's return could post a major challenge to Musharraf's somewhat shaky hold on power.

NPR: Sharif's Return to Pakistan Poses Challenges

And that's a challenge to Scots' time-honoured sense of themselves, as the poor economic cousins.

BBC: No longer the poor relation