1 highest

2 greatest

3 too (much)

4 very

5 extremely

1 Inner Mongolia

2 abbr. for 內蒙古自治區|内蒙古自治区[Nèi měng gǔ Zì zhì qū], Inner Mongolia autonomous region

1 surname Gu

1 people from ancient times

2 the ancients

3 the late (i.e. person who has passed away)

1 then and now

2 ancient and modern

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)