in-,不，非，-tact,接触，词源同tact,contact.即没有接触的，引申词义完整的。

1. Most of the house remains intact even after two hundred years.

虽然过了两百年，这房子的大部分还保持完好。

来自《权威词典》

2. He can scarcely survive this scandal with his reputation intact.

他经此丑闻名誉很难不受损.

来自《简明英汉词典》

3. When a bird's nest is overturned, no egg can remain intact.

覆巢之下无完卵.

来自《现代汉英综合大词典》

4. Despite his misfortunes, his faith and optimism remained intact.

虽然他遭到一连串的不幸, 他的信心和乐观丝毫未减.

来自《现代英汉综合大词典》

5. The glasses remained intact after being dropped.

眼镜坠地后依然完好无损.

来自《简明英汉词典》