YOU SAID:
She laughs with her mouth, but not with her eyes.
INTO JAPANESE
彼女は口で笑っているが、目では笑っていない。
BACK INTO ENGLISH
She is laughing with mouth, but she does not smile with her eyes.
INTO JAPANESE
彼女は口を使って笑っていますが、彼女は目で笑っていません。
BACK INTO ENGLISH
She is laughing with her mouth but she does not smile with her eyes.
INTO JAPANESE
彼女は彼女の口で笑っているが、彼女は彼女の目で笑っていない。
BACK INTO ENGLISH
She is laughing with her mouth but she is not smiling with her eyes.
INTO JAPANESE
彼女は彼女の口で笑っていますが、彼女は彼女の目で笑っていません。
BACK INTO ENGLISH
She is laughing with her mouth but she is not smiling with her eyes.
That didn't even make that much sense in English.