challenge

英 ['t??l?n(d)?] 美['t??l?nd?]
  • n. 挑戰(zhàn)；懷疑
  • vt. 向…挑戰(zhàn)

英英釋意

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