as chaste as ice

例句：

1. 1. She is as chaste asice, never daring to cross theline.
   她纯洁如冰，从不越界。
2. 2. The couple's marriage was aschaste as ice, with noscandals or gossip.
   这对夫妇的婚姻纯洁如冰，没有任何丑闻或流言蜚语。
3. 3. As chasteas ice, she always maintainsa dignified demeanor inpublic.
   她纯洁如冰，总是在公众场合保持尊严。