fire off
phrasal verbfire something off
- to shoot a bullet from a gun
开枪；射击 - They fired off a volley of shots.
他们举枪齐射。
- They fired off a volley of shots.
- to write or say something to somebody very quickly, often when you are angry
（常指愤怒地）连珠炮似的说，奋笔疾书 - He fired off a letter of complaint.
他奋笔写了一封投诉信。 - She spent an hour firing off emails to all concerned.
她花了一个小时气冲冲地向有关各方发电邮。
- He fired off a letter of complaint.