challenge
CHALLENGE noun
uk/ˈtʃælɪndʒ/ us challenge noun(INVITATION)
an invitation to compete in a game or a fight
вызов (на состязание)
I'm sure Paul will race you. He never refuses a challenge . challenge noun
(DISAGREE)
B2 to express disagreement with ideas, rules, or someone's authority
ставить под сомнение, оспаривать
The election results are being challenge d. challenge verb [T]