sterile

beyond one's range of expectation

to the marrow (of one's bones; through and through; out and out )

as natural and loveable as the lotus just out of water

recall an old dream(relive or recall past experience)

reach the acme of perfection

be cock of the walk(to be the champion or victor in one's own particular field,to dominate all one's rivals; domineer)

display one's talent for the first time

The language fails to express the meaning.

in one's mercy

have wide learning and a retentive memory

Not acclimatized

day and night

learn one's goodam to make milk kail

Asking the judge to write a lenient sentence

Dragons and snakes follow one's writing brush -- good penmanship

(of a couple) to grow old together in mutual respect (idiom)

to chorus sb else's lead (idiom)​; to chime in in agreement

trifles(trivia)

mutual complementary