jack-o'-lantern
Toys
ldoce_172_ajack-o'-lan·tern /ˌdʒæk ə ˈlæntən $ -ərn/ noun [countableC] 
DHTa pumpkin(1) that has a face cut into it and a candle put inside to shine through the holes 南瓜灯笼〔把南瓜内部挖空，表面雕出人面形状，内点蜡烛〕- odour
- odourless
- odyssey
- Oedipal
- o'er
- oeuvre
- of
- of a certain age
- of advanced years
- of a high order
- of a kind
- of all
- of all people
- of all people, things, etc.
- of all the…
- of all time
- of choice (for somebody/something)
- of course
- of course not
- off
- off-
- off-air
- off and on/on and off
- off base
- off beam
- 有害
- 有幸
- 有底
- 有形
- 有待
- 有心
- 有心人
- 有志之士
- 有志者事竟成
- 有恃无恐
- 有恒
- 有意
- 有意思
- 有意识
- 有戏
- 有所
- 有效
- 有效期
- 有救
- 有教无类
- 有数儿
- 有方
- 有日子
- 有时
- 有望