YOU SAID:
My lunch was delicious, but my dinner will be delectable.
INTO JAPANESE
ランチは美味しかったですが、ディナーは美味しいです。
BACK INTO ENGLISH
Lunch was delicious, but dinner was delicious.
INTO JAPANESE
昼食は美味しかったが、夕食は美味しかった。
BACK INTO ENGLISH
Lunch was delicious, but dinner was delicious.
Come on, you can do better than that.