all in 短语。意为，筋疲力尽，很累。
固定短语：
all in all
总而言之
all in a day's work
日常的；家常便饭的
all in the day's work
日常的；家常便饭的
例如：
I was giving it my all in the last 50 yards.
我在最后５０码全力冲刺。
All in all it's been a good year.
总的说来这是成功的一年。
He was all in.
他筋疲力尽了。
It is about an hour’s walk to the station ，so they are all in .
去车站一共要走大约一小时的时间，所以他们很累了。There is no life at all in his voice.
他讲起话来有气无力。
all in这个短语的意思是“累的”，相当于very tired或者exhausted。
如：They are all in after a week's hard work. 在一周的努力工作之后他们很累。
