v. 以甲换乙，起乙的作用 substitute A for B and take the place of B

v. 担当某种职务或工作 assume the office of, hold the post of

arrogant idler, self-centered show-off, (coll.) father's older brother, uncle, term of respect for older man

the broad masses, roughscuff, the public, herd, concourse, commonality, riffraff, masses, commonness, the masses, throng, multitude, commonage, commonalty, plebeian, plebs, horde, the people/masses, community, the people, million, mass, public

adj. 形状或规模大的 large, large-scale, full-length

singly, alone