dearest       
 adjective  old-fashioned uk/ˈdɪə.rɪst/ us/ˈdɪr.ɪst/
 (在信件中对自己心爱之人的称呼)亲爱的
used when writing to someone you love
  "Dearest Kitty," she wrote. “亲爱的姬蒂,”她写道。 
 dearest       
noun [ C ]  old-fashioned uk/ˈdɪə.rɪst/ us/ˈdɪr.ɪst/
 (用于信件的称呼或对说话对象的称呼)亲爱的
used when writing or speaking to someone you love
  Come, my dearest, it's getting late. 过来,亲爱的,天快黑了。