late 13c., "a claimant;" mid-14c., "one who makes false charges;" mid-15c., "one who disputes something, objector," from Anglo-French chalengeour (Old French chalongeor "slanderer, petitioner, plaintiff"), agent noun from challenge (v.). Specific sense of "one who calls out another in a contest" is from 1510s.
权威例句
1. The Frenchman held his own against the challenger.
这名法国人顶住了挑战者的进攻。
2. the official challenger for the world championship title
世界冠军头衔的正式挑战者
3. The judges gave the nod to the winning challenger.
裁判们对挑战者的胜利给予确认.
4. Challenger reveals , " We'll see pressure on some of the soft benefits, maybe less tuition reimbursement. "
Challenger说: “ 我们将会看到一些软福利的终止, 比如不再退还学费等. ”
5. " There are always jobs, " Challenger says. " Companies are always hiring. But the competition is much tougher. "