remain calm

a bright pearl in the palm

sing or speak with a clear and rich tone

be one's unshirkable responsibility

All eyes centered on sth.

criminal and wicked in the extreme

bring in wealth and riches

tidy

clear up the source of moral character

fail to keep one's promise

mention by name(name names)

real knowledge and deep insight

scold the locust while pointing at the mulberry

to explain by waving one's hands; to criticize or give orders summarily; to gesticulate while talking (idiom)

strike an attitude

egotistic

The truth about the matter has come to light.

antinomy

be full of praise

go back to the salt mines(ladle one's soup out of the old pot)