challenge

DIFFICULT TASK

B1something that needs a lot of skill, effort or energy to do well

• Starting a new job is always a challenge.
• The biggest challenge is finding enough time to study.
• She enjoys a challenge.

QUESTIONING

C1the act of questioning whether something is fair, right or true

• The new law faced a legal challenge.

INVITATION TO COMPETE

B2an invitation from someone to try to beat them in a competition

• He accepted the challenge to race me to the end of the beach.

QUESTION

B2to question whether something is fair, right or true

• Several students challenged the teacher's decision.
• It's healthy to challenge your own ideas sometimes.

TEST ABILITY

B2to test someone's ability or skill in a way that is difficult but interesting

• This course will really challenge you.
• I like a job that challenges me.

INVITE TO COMPETE

B2to invite someone to try to beat you in a game or competition

• He challenged me to a game of chess.