kind enough

My friend had family that lived in Portugal, and they were kind enough to let me stay with them.

You can say that someone is 'kind enough' to do something when they do a favor or do something nice for you. Notice the following:

1. Would you be kind enough to open the door for me?
   
2. He was kind enough to wake me up so I wouldn't be late for work.
   

audio CD

I learned some simple words through an audio CD before I went there.

An 'audio CD' is one that contains music or words that you can listen to. Notice the following:

1. My car only plays audio CDs.
   
2. Some people listen to books on audio CDs.
   

got along

The people I stayed with didn't know much English, but we got along surprisingly well.

Used like this 'got along' having a good relationship and communication. If you get along with someone, you have compatible personalities. Notice the following:

1. Sample
2. Sample

every single day

They made some delicious meals every single day, like octopus, tripe, and rabbit.

When something happens 'every single day,' it happens consecutively and doesn't miss any days.  It is the same as 'every day,' but we add the word 'single for emphasis. Notice the following:

1. I think you get taller every single day.
   
2. When I lived near the beach, I went swimming every single day.
   

exotic

The meals were quite exotic, but I thought it was quite good.

If something is 'exotic,' it is different from what you are used to.  Notice the following:

1. Everything on the menu looks a little too exotic for me right now.  I need something normal.
   
2. We tried many new exotic fruits when we were on vacation.