So if you can casually slip in a reference to Kierkegaard,所以，如果你們能不經意地引用一下克爾凱郭爾

slip in悄悄進去；溜進

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

這支曲子演奏完后你可以悄悄進去。

No one saw her slip into the lab.

沒有人看見她溜進了實驗室。

No, but there are certain steps you could take to help yourself get noticed.不，但是你能做些事情讓自己與眾不同

take to開始； 從事

He took to studying English 5 years ago.

他五年前開始學英語。

So that we can track down the number that Ali kept calling.這樣才能追蹤到艾莉一直在打的電話

track down跟蹤追捕； 追查

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

我還沒有追查到這個謠言的根源。

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

警方用了幾天時間追查到案中目標。