Effective eight-character idioms

Make persistent efforts and make further progress.

Every Wang Jian has a gift (Zhang Ji)

When new poetry becomes a problem, it is also idle to discuss and think together.

It's been over thirty years now, and it's still the same as yesterday.

Bamboo slips (Dai)

After the rain, the dragon and grandson grow, and before the wind, the phoenix tail shakes.

A guilty conscience is deeply rooted, which means that the sun will shine.