加强；提高to strengthen; to improve

• 增强信心

  build confidence

• 增强团结

  strengthen unity

• 增强战斗力

  strengthen fighting capabilities

• 增强出口创汇能力

  strengthen capacity to export and earn foreign exchange

• 增强人民体质

  improve the people's physique

• 增强劳动观念

  enhance one's concept of labour

• 增强劳动人民的思想感情

  enhance the thoughts and feelings of the working people

• 增强公民意识

  enhance one's citizen's consciousness