challenge

• n. 挑战
• v. 挑战
• v. 质询 信息安全

[ 'tʃælindʒ ]

牛津3000核心词汇 柯林斯星级 ★★★★☆ BNC词频 1506 COCA词频 984

n. 挑战, 盘问
vt. 向...挑战, 要求, 怀疑
vi. 挑战, 对(证据等)表示异议

n. a demanding or stimulating situation
n. a call to engage in a contest or fight
n. questioning a statement and demanding an explanation
n. a formal objection to the selection of a particular person as a juror

• 复数: challenges
• 过去分词: challenged
• 过去式: challenged
• 现在分词: challenging
• 第三人称单数: challenges

英汉双解字典由 ECDICT 提供