1. There has been a very mixed reaction to the decision.
2. Our instinctive reaction when someone causes us pain is to strike back.
3. Adolescent suicide is rarely an impulsive reaction to immediate distress.
青少年自杀很少是由于突然发生不幸而作出的冲动反应。
4. All new fashion starts out as a reaction against existing convention.
5. Whenever recession strikes, a chain reaction is set into motion.
6. The old lady cackled, pleased to have produced so dramatic a reaction.