更多意思
n.1.  杀手,杀人者, 杀生的人﹑ 动物或事物
2.  棘手的事
3.  令人激动的事物,精彩的事物
参考例句
1. | Police are baffled as to the identity of the killer . |
| 警方不解凶手是谁。
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2. | Police are hunting her killer . |
| 警方正在追捕杀害她的凶手。
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3. | Heroin is a killer . |
| 海洛因是致命的毒品。
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4. | Sharks have the killer instinct. |
| 鲨鱼有嗜杀的本性。
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5. | The net result of the long police investigation is that the identity of the killer is still a complete mystery. |
| 警方经长时间调查,结果凶手的身分仍全然不知。
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