"量力而为"是个多义词，它可以指量力而为（汉语成语）,量力而为（苏慧伦演唱歌曲）。
至少你得到了一个有价值的教训，就是做事情要量力而为。
At least you learned a valuable lesson about not getting in over your head.
至少你患上到了一个有价值的教训，就是干工作要量力而为。
Bt least you learned a valuable lesson about not getting in over your head.
教练在示范的时候，一直强调初学者要平心静气，量力而为。
Coach in the demonstration, has been emphasized beginners to breathe, your best.
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