go into 及物动词短语 “进入……”的意思
go into some place
go in 不及物动词短语,in在这里是副词(adv.) “进入,(太阳等)被云遮掩”的意思
If the sun goes in,it becomes hidden from view by clouds.
No matter how many times you tell him something,it never seems to go in.
I looked through the window,but I didn't actually go in.
还有go in for 比较常用“从事,参加;爱好”vt.phr.