1 surname Gu

1 ancient times

2 olden times

1 to rush about

2 to be constantly on the move

1 Ningbo subprovincial city in Zhejiang

1 to return to old ways (a Confucian aspiration)

2 to turn back the clock

3 neoclassical school during Tang and Song associated with classical writing 古文

4 retro (fashion style based on nostalgia, esp. for 1960s)

1 a single slip may cause everlasting sorrow (idiom)

1 before the first wave subsides, a new wave rises (idiom); a new problem arises before the old is solved

2 many twists and turns to a story

3 one thing after another

1 unchanging since times immemorial (idiom)

2 unalterable

3 unvarying

4 monotonous

1 the men of today are sadly degenerated (idiom)

1 to use the past to disparage the present (idiom)