爱：affection, be keen on, cherish, hold  dear, treasure, be apt to, be in the habit of

母爱：maternal love/affection

父爱paternal love

子女对长辈的爱filial love

互爱reciprocal affection

慈爱the benevolent affections

疼爱the tender love

夫妻之爱conjugal love

深深[永恒，真挚，贞洁，坚定不移]的爱ardent [everlasting, sincere, chaste, steadfast] love

狂热的爱fanatic love; wild love
强烈的爱a keen affection
爱如己出cherish a child as one's own
爱恨交织be overwhelmed by mixed love hate feelings
爱憎分明have a clearcut stand on what to love and what to hate
爱莫能助be sympathetic but have no ability to help;be willing to, but powerless to render assistance
爱校如家love the school as dearly as one does one's own home
永远相爱love each other with an undying affection
疼爱某人dearly love sb.; set one's affection on sb.
终生钟爱妻子retain a tender affection for one's wife to the end of one's life
真诚[温柔，疯狂，盲目]地爱love sincerely [tenderly, wildly, blindly]
专一[忠诚]地爱某人love sb. devotedly [loyally]
至死不渝地爱某人love sb. to the day of one's death
炽热地爱…… have a burning love for...
爱上某人fall in love with sb.; grow tender of sb.
爱子女feel affection to one's children; have an affection for one's children

需要母爱need a mother care
怀疑某人对……的爱doubt sb.'s love for...
博得某人的爱earn sb.'s love; win sb.'s love
保持对某人的爱keep one's affection of sb.; retain one's love for sb.
激起对……的爱inspire a love for...

paternal love