challenging

英 [ˈtʃælɪndʒɪŋ]

美 [ˈtʃælɪndʒɪŋ]

adj. 挑战性的; 考验能力的; 挑起争论的; 不赞同的
v. 对…怀疑(或质疑); 拒绝接受; 向(某人)挑战; (尤指在对方不情愿时)强烈建议(某人做某事); 考查…的能力; 考验…的技巧
challenge的现在分词

现在分词：challenging　

Collins.2 / BNC.7647 / COCA.4981

牛津词典

adj.

挑战性的；考验能力的
difficult in an interesting way that tests your ability
1. challenging work/questions/problems
  具有挑战性的工作 / 提问 / 问题
2. a challenging and rewarding career as a teacher
  富有挑战性且有意义的教师职业
挑起争论的；不赞同的
done in a way that invites people to disagree or argue with you, or shows that you disagree with them
1. She gave him a challenging look. ‘Are you really sure?’ she demanded.
  她用不赞同的眼光看了他一眼。 “你敢肯定吗？”她问道。

ADJ-GRADED (任务或工作)艰巨的，具有挑战性的，要求高的
Achallengingtask or job requires great effort and determination.
1. Mike found a challenging job as a computer programmer...
  迈克找到一份做计算机程序员的富有挑战性的工作。
2. I'm ready to do all those things which are more challenging.
  我愿意接受更大的挑战。
ADJ-GRADED 挑战性的;挑衅的
If you do something in achallengingway, you seem to be inviting people to argue with you or compete against you in some way.
1. Mona gave him a challenging look.
  莫娜挑衅地看了他一眼。

adj

requiring full use of your abilities or resources
1. ambitious schedule
2. performed the most challenging task without a mistake
Synonym:ambitious
disturbingly provocative
1. an intriguing smile
Synonym:intriguing
stimulating interest or thought
1. a challenging hypothesis
2. a thought-provoking book
Synonym:thought-provoking