Educated

reach the end of one's rope

be of no avail(burn daylight)

Bitter and profound

speak ill of somebody behind his back

first

as luck would have it

be concise and to the point

Needless duplication

Heaven is high but listen to the lowliest.

Confucianism and knowledge

Tao Ge

comrades in the same army(fellow fighters)

Faint

bow to the inevitable

Hide one's capacities and hide one's time

shamelessly collaborate with enemy

be greedy without stop

The praying arm of the mantis

have experienced all hardships