1 downcast

2 gloomy

3 to decline

1 to degrade

2 to degenerate

3 to become depraved

4 corrupt

5 a fall from grace

1 to lose (sth)

2 to drop (sth)

3 to feel a sense of loss

4 frustrated

5 disappointment

6 loss

1 surname Qiu

1 to leave out

2 to be missing

3 to leave behind or forget to bring

4 to lag or fall behind

1 a single day apart seems like three seasons (idiom)

1 one day apart seems like three years (idiom)

1 lit. to drop a thousand zhang in one fall (idiom)

2 fig. (of business, popularity etc) to suffer a sudden, devastating decline

3 to take a dive

1 lit. the falling of one leaf heralds the coming of autumn (idiom)

2 fig. a small sign can indicate a great trend

3 a straw in the wind

1 a sudden shower towards the end of summer brings an abrupt arrival of autumn (idiom)