[译] 我听录音带时，反应不够灵敏。
[误] While listening to the tape, my reaction is not quick enough.

[正] While I was listening to the tape, my response was not quick enough.
[注] reaction 是对某事物的反应，如 His reaction to the news story is quite unexpected。他对这个新闻报导的反应很出人意料。“听觉的反应”不用 reaction，而用 response。