Riddle: Please guess.

(to use an idiom)—

lingering light of the setting sun

② See Chang 'e on August 15th. (Type an idiom)

——

Serious

(3) long hair and haircut. (Type an idiom)

——

To make a long story short, I'm still broke.

(4) Even the cock crows. (Type an idiom)

——

(of an unknown person) achieved amazing results at the first attempt.