Daily Chinese Idiom Guessing Game
To act according to one's capability; to do what one is capable of.
量估量；行行事。按照自己力量的大小去做，不要勉强。
《左传·昭公十五年》力能则进，否则退，量力而行。”
When planning a project, it's wise to assess your resources and budget, and act accordingly.