challenges

challenges

名词 challenge:

a demanding or stimulating situation

同义词：challenge

a call to engage in a contest or fight

同义词：challenge

questioning a statement and demanding an explanation

同义词：challenge

a formal objection to the selection of a particular person as a juror

同义词：challenge

a demand by a sentry for a password or identification

同义词：challenge

动词 challenge:

take exception to

同义词：challenge, dispute, gainsay

issue a challenge to

同义词：challenge

ask for identification

同义词：challenge

raise a formal objection in a court of law

同义词：challenge, take exception