1 as before

2 still

1 to feel nostalgic

2 nostalgia

1 old

2 opposite: new 新

3 former

4 worn (with age)

1 bill

1 account

2 username

1 do not recall old grievances (idiom, from Analects); forgive and forget

1 lit. to like the new, and hate the old (idiom); fig. enamored with new people (e.g. new girlfriend), bored with the old

1 (idiom) to continue in the same old rut

2 diehard conservative attitudes

1 new worries added to old hatred (idiom); afflicted by problems old and new

1 old wine in a new bottle (idiom)