So if you can casually slip in a reference to Kierkegaard,所以，如果你们能不经意地引用一下克尔凯郭尔

slip in悄悄进去；溜进

You can slip in after this piece of music is played.

这支曲子演奏完后你可以悄悄进去。

No one saw her slip into the lab.

没有人看见她溜进了实验室。

No, but there are certain steps you could take to help yourself get noticed.不，但是你能做些事情让自己与众不同

take to开始； 从事

He took to studying English 5 years ago.

他五年前开始学英语。

So that we can track down the number that Ali kept calling.这样才能追踪到艾莉一直在打的电话

track down跟踪追捕； 追查

I haven't tracked down the source of this rumor.

我还没有追查到这个谣言的根源。

It took the police several days to track down their quarry.

警方用了几天时间追查到案中目标。