You're second to none.
→최고야!
※(someone or something) is second to none
    :최고야,비할데 없이 좋다.

[ 예문〕
A: Lois that was great chicken. You have to give me the recipe.
          로이스 닭고기 요리 정말 맛있었어. 나한테 조리법 가르쳐줘야 돼.

B: The recipe was handed down from my great-grandmother.
         그 요리는 증조 할머니 때부터 내려온 거지.

A: Lois you're a great cook. You're second to none.
        로이스 넌 정말 요리사야. 최고야.