1. Several causes operated to bring on the war.
   好几个原因结合在一起引起了那场战争。
2. This kind of weather often brings on influenza.
   这种天气常常会引起流行性感冒。
3. Violent fans bring discredit on their teams.
   粗野的球迷给他们的球队丢脸.
4. Fatigue brought on dark rings under her eyes.
   劳累使她眼睛下部出现了黑圈。
5. That brought discredit on his name.
   那件事使他的名誉受损。

　3个动词解释