to suddenly have a good idea
突然有了一个好主意
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The middle of a route is not the time or place to suddenly realize that it might have been a good idea to do some jogging, pull-ups, or other conditioning before setting out.
半山腰上可不是突然意识到出发前你该平时多练习慢跑、引体向上或其他什么的地方，时机也不对。
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