约翰意识到自己在亲吻并轻咬她的耳朵。John found he was kissing and nibbling her ear.我感到(有鱼)轻咬一下饵.I felt a nibble at the bait.我能感觉到有鱼在轻咬鱼饵.I could feel fish nibbling at the bait....

“轻咬”的英语可以翻译为：nibble ...