开笔 meaning in Chinese

[旧时用语]
1.(一生中开始学做诗文) begin to learn to write poems and compositions in one's life
2.(一年中开始写字) begin writing in a year

Go for one another baldheaded in the papers and then all blows over
在报上彼此猛烈地开笔仗，然后一切都被淡忘。
In the years that followed my meeting with coleman , the time it took to write his book ,
在我和寇门的那次会面几年后,我开笔叙述他的故事的时候,
If the computer phones caused so much , and the battery can be unlimited use of mobile interconnection fees equivalent to the current phone line networking , then you will put aside the use of mobile notebook left office
如果把电脑做成手机那么大，并且电池可无限使用，移动联网费用等同于目前电话线联网，那么你会丢开笔记本而去使用手机办公吗？