英訳はこの下ですよ〜! ↓

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A: All the food here is wonderful! I'm in heaven!
B: I've noticed you haven't stopped eating since we got here!
A: I'm bound to put on weight from eating all this food! And, they're going to bring us dessert, right? The dessert here is supposed to be excellent. I'm afraid I can't stop eating as long as I'm here!
B: Look, the dessert that that waiter is serving to the lady in red is the same one we're going to have, I think.
A: Mmmm, looks yummy!

●注釈●
be bound to do  (高い確率で)〜しそうである
be supposed to be  〜であると言われている
yummy  とてもおいしい

the dessert that that waiter is... の最初の that は関係詞で、 次の that は 「あの(ウェイター)」とか「あそこにいる(ウェイタ ー)」という意味で使われている代名詞です。