He is like a mule, once he decides to do STH, no one can get him around.

他有如骡子，一旦决定做什么，很难被说服。

Want to accomplish get sth done once and for ever, build, or else do poorly done work over again is newer, must hold to quality first principle, cannot seek rate blindly, drive a measure.

要做到一劳永逸，一次修筑，再不返工更新，必须坚持质量第一的原则，不可盲目求速度、赶数量。