Definition

Examples

• 古代两国交战前，常会先下战书。
  Gǔdài liǎng guó jiāozhàn qián, cháng huì xiān xià zhàn shū.
  In ancient times, before two countries went to war, they would often first send a written declaration of war.
• 敌方送来战书，要求我们三天内投降。
  Dífāng sòng lái zhàn shū, yāoqiú wǒmen sān tiān nèi tóuxiáng.
  The enemy sent a declaration of war, demanding we surrender within three days.
• 两支球队在赛前互相下了战书，气氛非常紧张。
  Liǎng zhī qiúduì zài sài qián hùxiāng xià le zhàn shū, qìfēn fēicháng jǐnzhāng.
  The two teams exchanged letters of challenge before the match, and the atmosphere was very tense.