相关单词同義詞dare, doubt, 近義詞n. defiance反義詞v.concede臨近詞challenger, chalk, challenged, challenge to, challengement, challenge cup, challenge flag, challenge dose, challenge fate, Challenge test, challenge work, challenge cube相似詞chalk sth up, chalk sth up to experience idiom, chalkboard, challah, challenged, challenger, challenger bank, challenging, 返回 challenge