YOU SAID:
"That girl told me she was 18!"
INTO JAPANESE
「あの女の子は18歳だと言った!
BACK INTO ENGLISH
"I said that girl was 18 years old!
INTO JAPANESE
年齢は18歳です。
BACK INTO ENGLISH
I am eighteen years old.
INTO JAPANESE
年齢は18歳です。
BACK INTO ENGLISH
I am eighteen years old.
Come on, you can do better than that.