“松劲”的英语可以翻译为：elax one's efforts，slacken (off)，slack up one's effort，let down，letdown ...

即便在顺利的情况下也不要松劲.Don't let down even if the going is good.我们一刻也不能松劲.We should never let up for a moment.要再接再励,不能松劲.Redouble your efforts and not slacken off....

“松劲”的拼音为：sōng jìn...