main aim, main purpose, primary objective, chief goal ☊ 
chủ đích ☊ (1) trigger (2) stork, egret
(3) police chief
(4) (postage) stamp ☊
cò ☊ paramount, chiefly, above all, the chief or main thing is ☊ cốt nhất ☊ military chief (under the reign of kings hung) ☊ lạc tướng ☊ deputy chief (of a provincial service) ☊ phó ty ☊ deputy chief of the secretariat ☊ phó văn phòng ☊ head of state, chief of state, fuehrer ☊ quốc trưởng ☊ hereditary chief (of tribe) ☊ thổ ty ☊ district chief (in north Vietnam highlands under French ☊ tri châu ☊ service chief, chief of department ☊ trưởng ty ☊ provincial chief (under French colonialist domination) ☊ tuần phủ ☊ vice-principal, chief or head supervisor ☊ tổng giám thị ☊ deputy chief of a unit ☊ đơn vị phó ☊