a peremptory challenge的用法和样例：
- While in UK, only the defense has the opportunity to make a peremptory challenge to the potential juror and arbitrarily reject a number.
- The teacher spoke in a peremptory tone.
- She developed a peremptory and fussy disposition.
- He spoke with a peremptory note in his voice.
- There was a peremptory note in his voice.