1. 不寻常的；不常见的；罕见的
If something is unusual, it does not happen very often or you do not see it or hear it very often.
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e.g. They have replanted many areas with rare and unusual plants...
他们在许多地方重新种上了珍稀植物。
e.g. To be appreciated as a parent is quite unusual.
可怜天下父母心。
2. 异于常人的；与众不同的；不同凡响的
If you describe someone as unusual, you think that they are interesting and different from other people.
unusual的翻译
e.g. He was an unusual man with great business talents.
此人不同凡响，具有异常敏锐的商业头脑。