The worst retaurant

Hello [이름]!

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T. Christina ^^

Here are my corrections for you:

I\\\\\\\'m mostly satisfied with the food at the restaurant.

>> I\'m mostly satisfied with the food at a restaurant.
Because I usually search online for good restaurants.

>> I usually search for good restaurants online.
In this summer, I and My two university friends had special dinner to celebrate the beginning of our 40th years.

>> This summer, my two university friends and I had a special dinner to celebrate the beginning of out 40th years.
I found delicious and cosy restaurant where is fomous enough to appear in a drama.

>> I found a a cozy restaurant that serves delicious food and it\'s famous enough to appear in a drama.
We paid a very high price for dinner. But the food was a little burnt and salty. 

>> We paid a very high price for dinner but the food was a little burnt and salty.

However It\'s ambiguous to express discontent.

>> However, it\'s ambiguous to express discontent.

It was too bad.

>> CORRECT!

OR

>> It was not satisfactory.