请缨

請纓
qǐngyīng
  1. to volunteer for military service
  2. to offer oneself for an assignment

CEDICT

  1. (figurative) to volunteer for military service; to offer oneself for an assignment; to submit a request for a military assignment
  2. (literal) to request a cord from the emperor (to bind the enemy)
  3. to request a cord from the emperor (to bind the enemy)
  4. to volunteer for military service; to offer oneself for an assignment; to submit a request for a military assignment

Wiktionary

汉武帝时，南越与汉和亲，武帝派终军出使南越，说服南越王入朝归顺。终军自己请命，愿意接受此任务，必使南越王来朝。典出《汉书．卷六十四下．终军传》。后比喻自请从军。

重編國語辭典

  1. 向皇帝请求一条长绳子
  2. 请求主动出征、出任务

維基詞典

Entry Composition

1 请 qǐng
  1. to ask
  2. to invite
  3. please (do sth)
  4. to treat (to a meal etc)
  5. to request
2 缨 yīng
  1. tassel
  2. sth shaped like a tassel (e.g. a leaf etc)
  3. ribbon