unusual

形容词 unusual:

1. not usual or common or ordinary
2. being definitely out of the ordinary and unexpected; slightly odd or even a bit weird
   同义词：strange
3. not commonly encountered

1. Something unusual was about to happen.
   某种不寻常的事正要发生。
2. I look on the matter as most unusual.
   我认为这件事极不寻常。
3. Our host descried a gentleman of unusual appearance standing at the far end of the hall.
   我们的男主人远远看到有个外表不俗的绅士站在大厅的尽头。
4. An unusual conjunction of circumstances led to the incident.
   各种情况的偶然巧合导致了这件事的发生。
5. Snow is an unusual sight in this warm place.
   下雪在这个温暖的地方是一种罕见的景象。