形容詞 unopened:

1. not yet opened or unsealed

1. If this card is returned unopened I'll know you aren't ready to reconcile yet, and I'll try again next year.
   如果這張卡片原封退回，我明白你還不愿和解，那我將等到來年再試。
2. The newspaper lay unopened beside him. Watching the world go by was sufficient entertainment on a fine evening.
   報紙放在他身邊沒有打開。在一個美好的夜晚看看周圍的風景，也就夠快樂的了。
3. The desk was a chaos of papers and unopened letters.
   桌上雜亂地堆放著一些紙張和未拆的信
4. Calyx encloses an unopened flower bud.
   花萼圍繞在花瓣外層的一圈。