to decant (tea) (from a big cup into a smaller one)
to pass from hand to hand
To pass bricks from one end of the courtyard to the other
diligent; assiduous; studious
To be a studious student; to learn assiduously
to specialize in something; to major in something; to be expert in something
He specializes in repairing motorbikes; he is expert in repairing motorbikes
My uncle is expert in acupuncture; my uncle specializes in acupuncture
My younger sister majors in business administration
Both red and expert