1.(lit.) the boot hits the floor (idiom)2.(fig.) a much-anticipated, impactful development has finally occurred (an allusion to a joke from the 1950s in which a young man would take off a boot and throw it onto the floor, waking the old man sleeping downstairs who could then not get back to sleep until he had heard the second boot hit the floor)
1.fig. a tree may grow a thousand zhang high, but its leaves return to their roots (proverb)2.fig. everything has its ancestral home3.in old age, an expatriate returns home
1.lit. the falling flowers are yearning for love, but the heartless brook ripples on (idiom)2.fig. one side is willing, yet the other one remains indifferent (usually of unrequited love)