相关单词同义词dare, doubt, 近义词n. defiance反义词v.concede临近词challenger, chalk, challenged, challenge to, challengement, challenge cup, challenge flag, challenge dose, challenge fate, Challenge test, challenge work, challenge cube相似词chalk sth up, chalk sth up to experience idiom, chalkboard, challah, challenged, challenger, challenger bank, challenging, 返回 challenge