YOU SAID:

I miss how things were when we first met.

INTO JAPANESE

初めて会ったときの様子が懐かしい。

BACK INTO ENGLISH

I miss the appearance when we first met.

INTO JAPANESE

初めて会ったときの姿が懐かしいです。

BACK INTO ENGLISH

I miss the appearance when I met him for the first time.

INTO JAPANESE

初めて彼に会ったとき、私は外見が恋しい。

BACK INTO ENGLISH

The first time I met him, I missed his appearance.

INTO JAPANESE

初めて彼に会ったとき、私は彼の外見を逃した。

BACK INTO ENGLISH

The first time I saw him, I missed his appearance.

INTO JAPANESE

初めて彼に会ったとき、私は彼の姿を見逃した。

BACK INTO ENGLISH

The first time I saw him, I missed his appearance.