1·His reaction was one of bafflement.
他的反应是迷惑不解。
—— 《牛津词典》
2·Their reaction dismayed him.
他们的反应使他感到惊愕。
—— 《牛津词典》
3·What was his reaction to the news?
他对这消息有何反应？
—— 《牛津词典》
4·I can just imagine his reaction.
我完全可以想象出他的反应。
—— 《牛津词典》
5·His reaction struck me as odd.
他的反应令我诧异。
—— 《牛津词典》
1·The action is your thought, and the reaction is the response of your subconscious mind.
作用是你的想法，而反作用是你潜意识的反应。
2·The law of action and reaction is universal.
作用和反作用的定律是通用的。
3·No snowflake may fall without some reaction of the planet .
没有这个行星的某种反作用，雪片不可能掉下来。
4·The recoil of a gun is the simultaneous reaction to its explosive action.
一支枪的反冲（后坐力），是与它的爆炸“作用”同时发生的“反作用”。
5·It follows that action and reaction involve two objects.
可见作用和反作用涉及两个物体。