Chief of Staff

(in the armed forces) highest ranking member of the group of officers serving under and advising a commander （军队的）参谋长.

chewing-gum (also gum), Chianti, chiaroscuro, chic, Chicago, chicanery, chick, chick-pea, chicken, chicken wire, chicken-feed, chicken-hearted, chicken-pox, chicken-run, chickweed, chicle, chicory, chide, chief, Chief Constable, chiefly, chieftain, chiffon, chignon, chihuahua, chilblain, child, child benefit, child-bearing, child-minder, child-proof, childbirth, childhood, childish, childishly, childishness, childless, childlike, children, Chile,