罕

例句：

1. 1. This rare species of bird is only found in a small area.
   这种稀有的鸟类只在一个小区域内发现。
2. 2. The rare opportunity to travel abroad was something I've always wanted.
   难得的机会去国外旅行一直是我的愿望。
3. 3. Rarely does she wear makeup, and when she does, it's always very subtle.
   她很少化妆，而且一旦化妆，总是非常低调。