1 surname Gu

1 ancient times

2 olden times

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 clique

2 school

3 group

4 faction

5 to dispatch

6 to send

7 to assign

8 to appoint

9 pi (Greek letter Ππ)

10 the circular ratio pi = 3.1415926

11 (loanword) pie

1 majestic pomp

2 grand ceremony

1 a single slip may cause everlasting sorrow (idiom)

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)

1 unique

2 unprecedented (idiom)