in-,不，非，significant,重要的。

1. The Chief Inspector disliked being overburdened with insignificant detail.

总督察讨厌在细枝末节上没完没了地纠缠。

来自柯林斯例句

2. In 1949 Bonn was a small, insignificant city.

1949年时波恩还是个无足轻重的小城市。

来自柯林斯例句

3. The levels of chemicals in the river are not insignificant.

河水中的化学物质含量不容忽视。

来自《权威词典》

4. The rate has fallen by an insignificant amount.

比率虽有下降,但微不足道.

来自《简明英汉词典》

5. 35% of the population, a plurality, believed that the economic reforms would result in only insignificant change.

有35%的多数民众认为，经济改革不会带来实质性的变革。

来自柯林斯例句