late 15c., agent noun from kill (v.). But a surname, Ric[hard] Le Kyller is attested from 1288. Figurative use from 1550s. Meaning "impressive person or thing" is by 1900 (as an adjective, 1979); reduplicated form killer-diller attested by 1938. Killer whale is from 1725; killer instinct is attested from 1931, originally in boxing.
双语例句
1. The vital clue to the killer's identity was his nickname, Peanuts.
查明杀手身份的重要线索是他的外号叫“花生”.
来自柯林斯例句
2. So if it's not there now, the killer has it. Right?
如果它现在不在那里，就在凶手那里。是吧？
来自柯林斯例句
3. Police believe the killer punched her to death with his bare hands.
警方认为她是被凶手活活用拳头打死的。
来自柯林斯例句
4. It's a film about a serial killer and not for the faint-hearted.
这部电影是讲一个连环杀手的，不适合胆小的人看。
来自柯林斯例句
5. Swanson persuaded Hubley to work undercover to capture the killer.
