[qián hòu]
（时间接近） around; about
around the Spring Festival
春节前后
（自始至终） from start to finish; from beginning to end; altogether
The novel took a year to write altogether, from start to finish.
这篇小说从动笔到定稿，前后用了一年时间。
He has been here four or five times altogether.
他前后来过四五次。
（前面和后面） front and back
be attacked both front and back; be caught between two fires
受到前后围攻
There are fruit trees in front and at the back of the house.
房子前后都是果树。