진하다 : composed of or containing objects, particles, etc., close together; dense, dark, concentrated (used for color, concentration of liquid,smell) 연하다 : composed of or containing objects, particles, etc., widely separated; sparse: thin vegetation. soft, weak (used for color, concentration of liquid, smell) e.g. 그녀는 언제나 진한 향수 냄새를 풍긴다 그녀는 연한 초록색 옷을 입었다 두껍다 : having relatively great extent from one surface or side to the opposite (used for material) 얇다 : having relatively little extent from one surface or side to the opposite (used for material) e.g. 그 얼음은 당신의 무게를 지탱할 만큼 두껍다 그녀는 얇은 옷 하나만을 걸치고 있다