Adjective:

1. sexually faithful;

   "she was true to her significant other"
   

trueradj.更真的；更可靠的形容词true的比较级形式.trueadj.真实的；真的；准确的；精确的；忠诚的adv.真实地；准确地n.真相；精确vt.使...平衡true twins[医] 单卵性双胎true price实际价格,真正价格true fruit真果true error真误差true fibre粗细均匀的纤维true image实象,直接像true sound假声true table真值表true yield真实收益,真实产量Truempener特林佩纳

1. Mary is faithful to her husband.
   玛丽忠实于她的丈夫。
2. Even so, I hesitate to buy an iMac for my home use.
   我尚且无法判断，中文翻译是否忠实于日文原意。