What Chinese idiom or proverb including the characters 行 and 易 roughly translates to When someone acquires discipline of learning then doing work comes easily?

The Chinese idiom you're looking for is 学而时习之，不亦说乎？ (xué ér shí xí zhī, bù yì shuō hū?) which translates to "Isn't it enjoyable to learn and practice what you have learned from time to time?"

This phrase comes from the Confucian Analects, and it speaks to the idea that learning and practice go hand in hand. While it doesn't directly use the characters "行" and "易," the meaning is similar to the proverb you described.

Here's why this idiom is relevant:

* 学 (xué): To learn, to study

* 时习 (shí xí): To practice regularly, to review what one has learned

* 说 (shuō): To be delighted, to find pleasure in something

By consistently practicing what one has learned, the process of doing work becomes more effortless and enjoyable. This echoes the sentiment of your proverb: when discipline in learning is acquired, work becomes easy.

While this specific idiom doesn't directly include "行" and "易," it captures the essence of your proverb:

* "行" (xíng): Can represent "to do," "to act," which is linked to the concept of work.

* "易" (yì): Can represent "easy," "simple," aligning with the idea of work becoming effortless.

Therefore, even though the exact characters aren't present, the idiom captures the meaning you're searching for, highlighting the connection between learning, practice, and the ease of work.