work on的用法及短语

　　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、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。