challenging

• 形容某事物困难、需要付出很大努力，考验人的能力或决心；也可指具有挑战性、引人奋进的。

Describes something that is difficult in a way that tests your ability or determination.

1. Difficult but stimulatingB1formal

   Requiring full use of one's abilities or resources; testing one's skills.

   有挑战性的，虽难却令人振奋

   • The math problem was challenging but rewarding.
   • She enjoys challenging tasks that push her limits.
   • The course is designed to be challenging for advanced students.

   同义词arduousdemandingexactingrigorousstrenuoustaxingtestingtough

2. Provocative or confrontationalB2formal

   Expressing or suggesting opposition or a demand for explanation.

   挑衅性的

   • He gave her a challenging look across the room.
   • Her challenging tone made everyone uncomfortable.
   • The journalist asked a challenging question during the press conference.

   同义词aggressiveantagonisticbelligerentcombativeconfrontationaldefianthostileprovocativepugnacioustruculent

   反义词agreeablecompliantcooperativesubmissiveyielding

• 动词，用于表示邀请某人参加比赛或竞争，以及质疑某事的真实性或合理性。

A verb used to indicate the act of inviting someone to compete or take part in a contest, or to question or dispute the truth or validity of something.

1. Invite to competeB1formal

   To invite someone to take part in a contest, competition, or argument.

   挑战

   • He challenged his friend to a game of chess.
   • She challenged the champion to a rematch.
   • The team challenged their rivals to a debate.

   同义词call outdaredefyinviteprovokesummon

   反义词accept

2. Question or disputeB2formal

   To question the truth, validity, or authority of something.

   质疑

   • The lawyer challenged the witness's testimony.
   • Scientists challenged the results of the study.
   • She challenged his right to make that decision.

   同义词call into questioncontestdisputedoubtimpugnqueryquestion

   反义词acceptagreeconcedeendorse

3. Test abilitiesB1formal

   To test someone's skills, strength, or determination.

   考验

   • The difficult puzzle challenged her mind.
   • The marathon challenged his endurance.
   • This job will challenge your problem-solving skills.

   同义词provestraintaxtesttry