work on的用法：1.继续工作，不断工作。2.把（螺帽等）拧上，旋进。3.致力于，从事于。4.使人信服，说服。5.对…发生影响，对…起作用。6.在…上雕刻；在…上绣制。
一、work out
解决；计算
想出（答案）
制定；拟订（计划等）
work out a seating plan.
拟订好位置安排。
二、work on
1.The director worked on in the office until ten o'clock last night.
主任昨晚在办公室工作到十点。
2.The nut has been worked on the spindle.
螺帽已经拧在轴心上了。
3.He has been working on a new novel for over a year now.
近一年多来，他一直在写一部新小说。
4.In order to make him accept our suggestion, I decided to work on him immediately.
为了让他接受我们的建议，我决定立刻对他做工作。
5.The doctor told him that this kind of medicine may work on him.
医生对他说这种药对他可能有效。
6.She worked a dragon on the new linen cloth.
她在新的亚麻布上绣了条龙。