It's really difficult to get inside.

真的很难进去。

youdao

It may look like a normal yellow bus, but all the magic happens once you get inside.

它可能看起来像一辆普通的黄色巴士，但一旦你进去，所有的奇迹就会发生。

youdao

The firemen had to kick the door in to get inside the burning building.

消防队员不得不把门踢开进入着火的大楼。

《新英汉大辞典》

Too much time inside the house using a computer or watching television can cause someone to get cabin fever.

VOA: special.2010.03.28

I mean, so that's kind of an interesting problem and then it's something that I don't really kind of get inside for you guys.

这是一个很有趣的问题,其中的奥妙,一时也无法道出。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

It's very water soluble and it's a big molecule, a very big molecule; it can't naturally get inside cells on its own.

它是一个水溶性极强的大分子,非常非常大的分子,质粒在自然状态下并不能自己进入细胞

耶鲁公开课 - 生物医学工程探索课程节选

They allowed you to get inside them and insert commands into programs to alter almost anything.

FORBES: Steve Jobs' One Big Idea

And many who had waited to get inside, like Kay Loacker(ph), were with her.

NPR: Campaign Frenzy in New Hampshire

If you are sweating and cold air manages to get inside your layers then you are in trouble.

BBC: Sir Ranulph Fiennes: Coping with extreme weather