fiance

例句：

1. 1.He's been dating a fiance for two years now.
   他现在已经和一位未婚妻交往两年了。
2. 2. The fiance is planning to move in together next month.
   未婚妻计划下个月搬进来。
3. 3. She was surprised when she found out her fiance had cheated on her.
   当她发现她的未婚夫出轨时，她很惊讶。