work on的意思是工作。work at和work on的区别如下：1、work at侧重于指在某个地方工作或在某个工作领域研究。【例句】How long have you been working at the bank?你在银行里工作多久了？2、work on的意思侧重于从事（某项工作），继续从事。【例句】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。3、work on还能表示影响，对…起作用【例句】This medicine works on him.这种药对他起作用。work on双语例句：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、The scientists are still working on inventing new methods of reaching outer space.科学家们仍致力于发明到达外层空间的新方法。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。
