Different kinds of people fall into different groups.

confuse a human being with a devil

the young man is worthy to be taught

too weak to bear the weight of one's clothing

People are nervous.

a sea of people

allow oneself to be insulted to remain alive

one getting old as the pearl becoming yellow(The black ox has trampled on one.)

Man's heart is incomprehensible.(The human heart is a mystery.)

Agreement is difficult if there are too many people.(So many heads, so many opinions.)

an army of justice

The human heart is a mystery.

treat a thief as a son

a distinguished man in common crowd

human desires flowing crosswise(universal decadence)

appoint the virtuous and capable(promote able men)

give up something no matter how painful it is(part reluctantly with what one treasure)

people bustling and horses neighing

fickleness of human nature(social snobbery)

night and day(around the clock)