| 单词 | challenge |
| 释义 | challenge n. & v. --n 1. a a summons to take part in a contest or a trial of strength etc., esp. to a duel. b a summons to prove or justify something. 2. a demanding or difficult task (rose to the challenge of the new job). 3. Law an objection made to a jury member. 4. a call to respond, esp. a sentry's call for a password etc. 5. an invitation to a sporting contest, esp. one issued to a reigning champion. 6. Med. a test of immunity after immunization treatment. --vtr. 1. (often foll. by to + infin.) a invite to take part in a contest, game, debate, duel, etc. b invite to prove or justify something. 2. dispute, deny (I challenge that remark). 3. a stretch, stimulate (challenges him to produce his best). b (as challenging adj.) demanding; stimulatingly difficult. 4. (of a sentry) call to respond. 5. claim (attention, etc.). 6. Law object to (a jury member, evidence, etc.). 7. Med. test by a challenge. Derivatives challengeable adj. challenger n. Etymology: ME f. OF c(h)alenge, c(h)alenger f. L calumnia calumniari calumny |
| 随便看 |
英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。