[zēng qiáng]
strengthen; enhance; boost; heighten
raise [heighten; boost] one's morale
增强斗志
strengthen defence
增强防御力量
develop immunity from disease
增强免疫力
build up the people's health
增强人民体质
heighten one's confidence
增强信心
make its goods more competitive
增强产品竞争能力