challenge
英 ['t??l?n(d)?]
美['t??l?nd?]
- n. 挑战；怀疑
- vt. 向…挑战
英英释意
- 1. a demanding or stimulating situation;
- "they reacted irrationally to the challenge of Russian power"
- 2. a call to engage in a contest or fight
- 3. questioning a statement and demanding an explanation;
- "his challenge of the assumption that Japan is still our enemy"
- 4. a formal objection to the selection of a particular person as a juror
- 5. a demand by a sentry for a password or identification