她有一个不寻常的爱好——收集石头。

She has an ___unusual hobby — collecting stones.

这个故事有一个非常不寻常的结局。

This story has a very ___unusual ending.

今天天气真奇怪，早上很冷，下午却很热。

The weather today is ___unusual; it was cold in the morning but hot in the afternoon.