爱情 [ai4 qing2] (compound: 爱 love +  情 feeling, affection)
NOUN 男女相爱的感情  [nan2 nv3 xiang1 ai4 de5 gan3 qing2] amour; love between man and woman
[例] 年轻人都希望获得爱情。[nian2 qing1 ren2 dou1 xi1 wang4 huo4 de5 ai4 qing2] Young people all yearn for love.
婚姻一定要建立在爱情的基础上。[hun1 yin1 yi1 ding4 yao4 jian4 li4 zai4 ai4 qing2 de5 ji1 chu3 shang4]  Marriage must be based on love.